Copyright © Philip M. Parker, INSEAD. Terms of Use.

Definitions: RF |
RFNoun1. A substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland. 2. A radioactive transuranic element which has been synthesized. 3. A complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone. Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
| Domain | Definitions |
Aerospace | = radiofrequency.Abbreviation. (references) |
Space | Radio Frequency. (references) |
Source: compiled by the editor from various references; see credits. | |
| The following table is compiled from various sources, across various languages. When English abbreviations or acronyms come from a non-English source, this is noted. | |||
| Entry | Source | Expression | Field |
RF | Danish | Replikativ form | Medicine |
RF | English | Rockefeller Foundation | N/A |
RF | Finnish | Reumafaktori | Medicine |
RF | French | Radiofréquence | Computing |
RF | German | Referenz | Computing, Language |
RF | Italian | Riconoscimento delle forme | Computing |
RF | Portuguese | Hormona de libertação | Medicine |
| RF DNA | English | Replicative form | Medicine |
| RFCH | English | RF channel | Post & Telecom |
Source: compiled by the editor, based on several corpora (additional references). | |||
Synonyms: RFSynonyms: atomic number 104 (n), element 104 (n), kurchatovium (n), releasing factor (n), releasing hormone (n), reticular formation (n), rutherfordium (n), unnilquadium (n). (additional references) |
Crosswords: RF |
| English words defined with "RF": Rinforzando. (references) |
| Specialty definitions using "RF": auto-talking transponder ♦ braided wire, bruising the base of cuttings RF office international de la vigne et du vin ♦ circular polarised RF, circular polarized RF, commutating switch module, consumer risk ♦ emissions due to transmitter transients ♦ Litz wire, Litzendraht wire ♦ plaited wire ♦ radio frequency channel, radiofrequency, RF channel, RF diagnostic sub-system, RF DNA, Rf value, rusty wire ♦ status of equipped channels/devices, superheterodyne, synchronization burst ♦ transceiver, TX combiner. (references) |
| Domain | Title | ||
References |
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Books |
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Periodicals |
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High Tech |
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Source: compiled by the editor from various references; see credits. | |||
| Thumbnail | Description & Credit | ![]() | NOAA P-3's N42RF and N43 RF flying on a mission together.Credit: Flying With NOAA. |
Source: compiled by the editor from various references; see credits. | |||
| Subject | Topic | Quote |
Health | Jordan P, Webbe G, Sturrock RF, eds. Human schistosomiasis. (references) | |
Economic History | Sweden | Sweden has a strong market for and is actively developing applications such as IP, Bluetooth, 3G and RF. Domestic production is highly specialized and low in volume, and thus not a competitive factor for U.S. producers. (references) |
Source: compiled by the editor from ICON Group International, Inc.; see credits. | ||
| "RF" is generally used as a noun (proper) -- approximately 70.37% of the time. "RF" is used about 54 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted) |
| Parts of Speech | Percent | Usage per 100 Million Words | Rank in English |
| Noun (proper) | 70.37% | 38 | 55,818 |
| Noun (common) | 18.52% | 10 | 111,207 |
| Noun (singular) | 9.26% | 5 | 157,705 |
| Lexical Verb (infinitive) | 1.85% | 1 | 339,140 |
| Total | 100.00% | 54 | N/A |
Source: compiled by the editor from several corpora; see credits.
| Country | Name |
| USA | RF Industries, Ltd. |
| (more examples...) |
Source: compiled by the editor from Icon Group International, Inc.
Expressions using "RF": bruising the base of cuttings RF office international de la vigne et du vin ♦ circular polarised RF ♦ circular polarized RF ♦ RF channel ♦ RF DNA. Additional references. | |
| Hyphenated Usage | |
Beginning with "RF": rf-out. | |
| Source: compiled by the editor from various references; see credits. | |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day | Expression | Frequency per Day |
rf | 336 | rf power amplifier | 36 |
rf signal generator | 319 | rf transmitter | 35 |
rf modulator | 232 | rf tag | 35 |
rf connector | 97 | rf engineering | 30 |
rf amplifier | 97 | rf modulators | 30 |
rf micro device | 65 | rf 900 | 30 |
rf technology | 56 | rf module | 30 |
rf system | 53 | rf splitter | 30 |
rf remote control | 51 | microwave rf | 29 |
rf adapter | 51 | rf scanner | 28 |
rf design | 49 | rf converter | 28 |
rf shielding | 49 | rf industry | 27 |
rf video | 46 | rf remote | 27 |
rf filter | 46 | klipsch rf 7 | 26 |
keyboard wireless rf | 45 | rf transistor | 26 |
rf switch | 41 | rf detector | 26 |
coaxial connector n rf series | 39 | rf engineer job | 26 |
rf part | 39 | label rf | 24 |
wireless rf modem | 37 | rf micro | 24 |
wireless rf link | 36 | shoei rf 900 blade | 23 |
| Source: compiled by the editor from various references; see credits. | |||
| Language | Translations for "RF"; alternative meanings/domain in parentheses. | ||||||||||||||||||||||||||||
Chinese | 射频, 射頻 (radio frequency). (various references) | ||||||||||||||||||||||||||||
Danish | RF-trin (radio stage, radiofrequency stage, RF stage), RF-overvågningssubsystem (RF diagnostic sub-system), replikativ form (replicative form, RF DNA), radiofrekvenstrin (radio stage, radiofrequency stage, RF stage), radiofrekvensforstærkning (radio gain, radiofrequency gain, RF gain), radioforstærkning (radio gain, radiofrequency gain, RF gain), kromering, d.v.s. diffusion af Cr, maa ikke forveksles med forkromning eller med kromatering (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne), HF-trin (radio stage, radiofrequency stage, RF stage), filtning af vævet ved basis af en stikling for at inducere roddannelse (bruising the base of cuttings RF office international de la vigne et du vin), anvendelsen af principperne i artikel... (to give effect to the principles set out in Article RF EEC Treaty 87). (various references) | ||||||||||||||||||||||||||||
Dutch | RF-versterking (radio gain, radiofrequency gain, RF gain), RF-trap (radio stage, radiofrequency stage, RF stage), RF-diagnose-subsysteem (RF diagnostic sub-system), replicatieve vorm van het DNA (replicative form, RF DNA), radiofrequentieversterking (radio gain, radiofrequency gain, RF gain), radiofrequentietrap (radio stage, radiofrequency stage, RF stage), ehromeren, diffusie van chroom, niet te verwarren met verschromen noch met chromateren (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne), de toepassing van de beginselen neergelegd in artikel... (to give effect to the principles set out in Article RF EEC Treaty 87), aanstamping (bruising the base of cuttings RF office international de la vigne et du vin). (various references) | ||||||||||||||||||||||||||||
Finnish | RF-kanava (channel, radio frequency channel, RF channel, RFCH), replikoiva välimuoto (replicative form, RF DNA), radiokanava (channel, radio frequency channel, RF channel, RFCH), suurtaajuusvahvistus (radio gain, radiofrequency gain, RF gain), suurtaajuusaste (radio stage, radiofrequency stage, RF stage), suurtaajuinen diagnostinen apujärjestelmä (RF diagnostic sub-system), pistokkaan tyviosan kevyt rusentaminen (bruising the base of cuttings RF office international de la vigne et du vin). (various references) | ||||||||||||||||||||||||||||
French | radiocanal (RF channel, RFCH), maillochage (bruising the base of cuttings RF office international de la vigne et du vin), l'application des principes figurant à l'article... (to give effect to the principles set out in Article RF EEC Treaty 87), gain RF (RF gain), gain radiofréquence (RF gain), gain radio (RF gain), forme réplicative (RF DNA), Chromatisation, diffusion de chrome, à ne pas confondre avec chromage ou chr (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne), canal RF (RF channel, RFCH), canal radioélectrique (RF channel, RFCH), étage RF (RF stage), étage radiofréquence (RF stage), étage radio (RF stage), étage HF (RF stage). (various references) | ||||||||||||||||||||||||||||
German | replikative Form (replicative form, RF DNA), Verstärkung hochfrequenter Signale (radio gain, radiofrequency gain, RF gain), Hochfrequenzstufe (radio stage, radiofrequency stage, RF stage), Hochfrequenz-Kanal (channel, radio frequency channel, RF channel, RFCH), Hochfrequenzkanal (channel, radio frequency channel, RF channel, RFCH), HF-Stufe (radio stage, radiofrequency stage, RF stage), HF-Kanal (channel, radio frequency channel, RF channel, RFCH), die Verwirklichung der in Artikel niedergelegten Grundsaetze (to give effect to the principles set out in Article RF EEC Treaty 87), Chromieren, d i Diffusion von Chrom, nicht zu verwechsel mit verchromen oder chromatieren (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne). (various references) | ||||||||||||||||||||||||||||
Greek | RF διαγνωστικό υποσύστημα (RF diagnostic sub-system), σύνθλιψη (crush), βαθμίδα RF (radio stage, radiofrequency stage, RF stage), βαθμίδα ραδιοσυχνότητας (radio stage, radiofrequency stage, RF stage), βαθμίδα υψηλής συχνότητας (radio stage, radiofrequency stage, RF stage), η εφαρμογή των αρχών που αναφέρονται στο άρθρο... (to give effect to the principles set out in Article RF EEC Treaty 87), εγχρωμίωση,διάχυση του χρωμίου,δεν πρέπει να συγχέεται με την επιχρωμίωση ή την χρωμίωση (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne), αντιγραφόμενη μορφή (replicative form, RF DNA), απολαβή ραδιοσυχνότητας (radio gain, radiofrequency gain, RF gain). (various references) | ||||||||||||||||||||||||||||
Hungarian | méretarány (natural scale, representative fraction, scale). (various references) | ||||||||||||||||||||||||||||
Italian | stadio RF (radio stage, radiofrequency stage, RF stage), stadio radio (radio stage, radiofrequency stage, RF stage), stadio a radiofrequenza (radio stage, radiofrequency stage, RF stage), l'applicazione dei principi contemplati dall'articolo... (to give effect to the principles set out in Article RF EEC Treaty 87), guadagno RF (radio gain, radiofrequency gain, RF gain), guadagno radio (radio gain, radiofrequency gain, RF gain), guadagno a radiofrequenza (radio gain, radiofrequency gain, RF gain), forma replicativa del DNA (replicative form, RF DNA), cromizzazione - diffusione di cromo - non va confusa con l cromatura, né con cromatazione (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne), acciaccatura (acciaccatura). (various references) | ||||||||||||||||||||||||||||
Japanese Kanji | 無線周波数 (radio frequency). (various references) | ||||||||||||||||||||||||||||
Japanese Katakana | むせんしゅうはすう (radio frequency). (various references) | ||||||||||||||||||||||||||||
Pig Latin | rfay subsistema de diagnóstico de rádio-frequência (RF diagnostic sub-system), forma replicativa (replicative form, RF DNA), andar RF (radio stage, radiofrequency stage, RF stage), a aplicação dos princípios enunciados no artigo... (to give effect to the principles set out in Article RF EEC Treaty 87). (various references) радиочастота. (various references) subsistema de diagnóstico de RF (RF diagnostic sub-system), la aplicación de los principios enunciados en el artículo... (to give effect to the principles set out in Article RF EEC Treaty 87), ganancia en RF (radio gain, radiofrequency gain, RF gain), ganancia en radiofrecuencia (radio gain, radiofrequency gain, RF gain), ganancia en radio (radio gain, radiofrequency gain, RF gain), forma replicativa del ADN (replicative form, RF DNA), etapa RF (radio stage, radiofrequency stage, RF stage), etapa radio (radio stage, radiofrequency stage, RF stage), etapa de RF (radio stage, radiofrequency stage, RF stage), etapa de radiofrecuencia (radio stage, radiofrequency stage, RF stage), etapa de radio (radio stage, radiofrequency stage, RF stage), cromización, difusión de cromo, no confundir con cromar o cromatización (chromizing - diffusion of chronium - must not be confused with chromium plating or chromating RF Webster; Osborne). (various references) RF-förstärkning (radio gain, radiofrequency gain, RF gain), replikativ form (replicative form, RF DNA), radiokanal (channel, radio frequency channel, RF channel, RFCH), tillämpa de principer som anges i artiklarna... (to give effect to the principles set out in Article RF EEC Treaty 87), sårning (bruising the base of cuttings RF office international de la vigne et du vin), kanal (canal, channel, conduit, duct, gully, passage, track), högfrekvensförstärkning (radio gain, radiofrequency gain, RF gain). (various references) | ||||||||||||||||||||||||||||
Derivations | |
Words ending with "RF": arf, barf, bedwarf, bodysurf, corf, curf, dwarf, enserf, kerf, scarf, scurf, semidwarf, serf, surf, swarf, turf, wharf, windsurf, zarf. (additional references) | |
Words containing "RF": airfare, airfares, airfield, airfields, airflow, airflows, airfoil, airfoils, airframe, airframes, airfreight, airfreighted, airfreighting, airfreights, alderflies, alderfly, anglerfish, anglerfishes, anticounterfeiting, archerfish, archerfishes, arfs, barfed, barfing, barflies, barfly, barfs, bedwarfed, bedwarfing, bedwarfs, boarfish, boarfishes, bodysurfed, bodysurfer, bodysurfers, bodysurfing, bodysurfs, buckminsterfullerene, buckminsterfullerenes, butterfat, butterfats, butterfingered, butterfingers, butterfish, butterfishes, butterflied, butterflies, butterfly, butterflyer, butterflyers, butterflying. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
Scrabble® Enable2K-Verified Anagrams | |
| Words containing the letters "f-r" | |
+1 letter: arf, far, fer, fir, for, fro, fry, fur, ref, rif. | |
+2 letters: afar, arfs, barf, corf, curf, fair, fard, fare, farl, farm, faro, fart, fear, fere, fern, fiar, fire, firm, firn, firs, fora, forb, ford, fore, fork, form, fort, four, frae, frag, frap, frat, fray, free, fret, frig, frit, friz, froe, frog, from, frow, frug, furl, furs, fury, kerf, prof, raff, raft, reef, refs, reft, reif, rife, riff, rifs, rift, rolf, roof, ruff, serf, surf, tref, turf, zarf. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)52 46 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references).-. ..-. |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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| Amazon.com BOOKS: Search for: "RF" |