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

| 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 |
A.C. | English | Air cooled | N/A |
A.C. | German | Automobilclub | Insurance, Transportation |
A.C. | Italian | Avanti Cristo | Statistics |
A.C. | Latin | Ante Christum natum | N/A |
a.C. | Spanish | Antes de Cristo | N/A |
Source: compiled by the editor, based on several corpora (additional references). | |||
| Context | Synonyms within Context (source: adapted from Roget's Thesaurus). |
Time | Hereupon, thereupon, whereupon; then; anno Domini; A.D.; ante Christum; A.C.; before Christ; B.C.; anno urbis conditae; A.U.C.; anno regni; A.R.; once upon a time, one fine morning, one fine day, one day, once. |
| Source: adapted from Roget's Thesaurus. | |
Crosswords: A.C. |
| English words defined with "A.C.": synchronous motor. (references) |
| Specialty definitions using "A.C.": A.C./A.ratio ♦ Gerald ♦ limiting continuous thermal withstand value, limiting short-time thermal withstand value ♦ rated burden of an energising circuit, rated burden of an energizing circuit, rated power of an energising circuit, rated power of an energizing circuit. (references) |
| Non-English Usage: "A.C." is also a word in the following language with English translations in parentheses. Latin (B.C., Before Christ). |
| Domain | Usage | |
Movie/TV Titles | A.C. Dupin zasahuje (1971) High Diving by A.C. Holden (1900) | |
Source: compiled by the editor from various references; see credits. | ||
| Domain | Title |
References | |
Books | |
Source: compiled by the editor from various references; see credits. | |
| Thumbnail | Description & Credit | Thumbnail | Description & Credit |
![]() | [Robert A.C. Wollenberg]. Credit: National Library of Medicine. | ![]() | [Colonel A.C. Girard] / P. Credit: National Library of Medicine; photo by Bushnell.. |
![]() | In all his glory / A.C.. Credit: Library of Congress. | ![]() | On the steerage deck / A.C.. Credit: Library of Congress. |
![]() | City of Louisville / A.C. Warren ; E.P. Brandard. Credit: Library of Congress. | ![]() | Bird's-eye view of Karn railroad terminal under construction, Bridgeport, Connecticut] / A.C. Koehn, New York. Credit: Library of Congress. |
![]() | Lt Col Kennedy of the 13th Iowa, 3rd Brigade, 4th Division, 17 A.C. raising the stars & stripes over the State House Columbia. Credit: Library of Congress. | ![]() | Rhode Island, Newport, 1920, A.C. James Home, Blue Garden, gardeners potting plants. Credit: Library of Congress. |
![]() | Flower beds beside cottages at the A.C. James house, "Suprise Valley Farm", Newport, Rhode Island. Credit: Library of Congress. | ![]() | Trestle no. 19 of A.C. Railroad. Credit: Library of Congress. |
Source: pictures compiled by the editor from various references; see picture credits. | |||
| Author | Quotation |
A.c. Benson | The worst sorrows in life are not its losses and misfortunes, but its fears. |
Source: compiled by the editor from various references. | |
| Subject | Topic | Quote |
Health | Riegel, A.C., and French, E.D. Acute toluene induces biphasic changes in rat spontaneous locomotor activity which are blocked by remoxipride. (references) | |
Economic History | Mexico | Asociacion de Editores de Periodicos Diarios de la Republica Mexicana, A.C. (references) |
Source: compiled by the editor from ICON Group International, Inc.; see credits. | ||
| "A.C." is generally used as a noun (singular) -- approximately 99.88% of the time. "A.C." is used about 819 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 (singular) | 99.88% | 818 | 8,551 |
| Noun (proper) | 0.12% | 1 | 339,140 |
| Total | 100.00% | 819 | N/A |
Source: compiled by the editor from several corpora; see credits.
| Country | Name |
| USA | A.C. Moore Arts & Crafts, Inc. |
| (more examples...) |
Source: compiled by the editor from Icon Group International, Inc.
Expression using "A.C.": a.c. contracted research. Additional references. | |
| Source: compiled by the editor from various references; see credits. |
| Language | Translations for "A.C."; alternative meanings/domain in parentheses. | ||||||||||||||||
Dutch | zuivere wisselstroom (pure A.C., pure alternating current), zuivere wisselspanning (pure A.C., pure alternating current), sinusvormige wisselspanning (sinusoidal A.C. voltage, sinusoidal alternating voltage), onzuivere wisselspanning (pulsating D.C. voltage, pulsating direct voltage, superimposed A.C. and D.C. voltages), ges-ingangswisselstroomweerstand (grounded-emitter input A.C. resistance, grounded-emitter input signal resistance). (various references) | ||||||||||||||||
French | après Jésus-Christ, ap.J.-C.. (various references) | ||||||||||||||||
German | Armeekorps (army corps, corps), AK (antibody, Army Corps, ID code, identifier, identity, labour unit, man-year), nach Christus (after Christ), nach Christi Geburt (ad, anno domini), n.Chr.G. (after Christ), n.Chr. (after Christ), n.Ch.G. (after Christ), n.Ch. (after Christ). (various references) | ||||||||||||||||
Greek | διαφορική αγωγιμότητα (anode conductance). (various references) | ||||||||||||||||
Hebrew | זרם חליפין. (various references) | ||||||||||||||||
Italian | dopo Cristo (anno domini), dC (after Christ), Corpo d'Armata (Army Corps), C.A. (Army Corps, w.g., water column, water gage, water gauge). (various references) | ||||||||||||||||
Pig Latin | a.c.ay corrente elétrica (electric current). (various references) corriente alterna (ac, alternate current, alternating current). (various references) | ||||||||||||||||
| Language | Period | Translations |
| Latin | 500 BCE-Modern | p.c.n., p.Ch., p.Ch.n., P.Chr, p.Chr.n., PC, post christum natum. (various references) |
| Source: compiled by the editor from various references. | ||
| 1. Crosswords 2. Usage: Modern 3. Usage: Commercial 4. Images: Photo Album | 5. Quotations: Familiar 6. Quotations: Non-fiction 7. Usage Frequency 8. Names: Company Usage | 9. Expressions 10. Translations: Modern 11. Translations: Ancient 12. Abbreviations | 13. Acronyms 14. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.