Octant

Definition: Octant

Octant

Noun

1. A measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration.

Date "octant" was first used in popular English literature: sometime before 1870. (references)

Etymology: Octant \Oc"tant\, noun. [Latin expression octans, -antis. from octo eight. See Octave.]. (Websters 1913)

Domain	Definitions
Aerospace	See sextant. (references)
Computing	A trademark of the 3M company for a microfilm card to hard copy enlarger-printer employing a "dry silver" process. This enlarger-printer produces 8-1/2 x 11 inch copy from each of four images on a 35 mm microfilm frame. It is also known as the "111" printer. Source: European Union. (references)
Geography	Eighth part of the surface of the Globe, limited in latitude by the Equator and in longitude by one of the meridians O degree, 90 degrees W, 180 degrees and 90 degrees E. Source: European Union. (references)
Source: compiled by the editor from various references; see credits.

Crosswords: Octant

English words defined with "octant": Hadley's quadrant ♦ Octile ♦ sextant. (references)

Specialty definitions using "octant": quadrant search. (references)

Etymologies containing "octant": Octile. (references)

Thumbnail	Description & Credit	Thumbnail	Description & Credit
	Octant with simple artificial horizon in the form of a pendulum.Credit: Coast & Geodetic Survey Historical Image Collection.		An octant.Credit: Coast & Geodetic Survey Historical Image Collection.
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.

Language		Translations for "octant"; alternative meanings/domain in parentheses.
Albanian		oktant, pjesë e tetë e rrethit. (various references)

Bulgarian		ъгломер (alidad), октант. (various references)

Chinese		八分区. (various references)

Danish		oktant. (various references)

Dutch		octant. (various references)

French		octant. (various references)

German		Oktant. (various references)

Greek		OCTANT, όγδοο του κύκλου, οκτάντας, οκτάντ. (various references)

Hebrew		תומן. (various references)

Hungarian		oktáns, kör nyolcadrésze. (various references)

Italian		ottante. (various references)

Pig Latin		octantay

Portuguese		oitante (four-square, octave, quadrant), octogonal (octahedral). (various references)

Russian		восьмая часть круга, октант. (various references)

Serbo-Croatian		oktant. (various references)

Spanish		octante. (various references)

Swedish		oktant. (various references)

Thai		รูปทรงสามมิติซึ่งมีแปดด้าน. (various references)

Turkish		oktant (quadrant), dairenin sekizde biri. (various references)

Ukranian		восьма частина кола, октант, дуга в 45 градусів. (various references)

Vietnamese		góc 45 độ. (various references)
Source: compiled by the editor from various translation references.

Derivations
	Words beginning with "octant": octantal, octants. (additional references)
Misspellings
	"Octant" is suggested in spellcheckers for the following: Coutant, Joktan, Koshtan, ocant, ocdna, octan, octat, Octon, otani, otant, utant. (additional references)
Source: compiled by the editor, based on several corpora (additional references).

Words rhyming with "octant" (pronounced 'Oc"tant'): Amplectant, Blatant, Flotant, Gestant, humectant, important, Montant, Natant, Nutant, Pregustant, reluctant, Remontant, Reptant, Restant, Saltant, Sectant, self-important, sextant, Spectant, statant, supernatant. (additional references)

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-c-n-o-t-t"
	-1 letter: canto, cotan, cotta, octan, tanto.
	-2 letters: cant, coat, nota, taco, tact.
	-3 letters: act, ant, att, can, cat, con, cot, not, oat, oca, tan, tao, tat, ton, tot.
	-4 letters: an, at, na, no, on, ta, to.
	Words containing the letters "a-c-n-o-t-t"
	+1 letter: contact, octants, taction.
	+2 letters: citation, coattend, constant, contacts, contract, contrast, cotenant, octantal, oscitant, taconite, tactions, toxicant, traction, turncoat.
	+3 letters: actuation, antitoxic, carnotite, catamount, catatonia, catatonic, chatoyant, citations, coattends, combatant, constants, contacted, contactee, contracts, contralto, contrasts, contrasty, cotangent, cotenants, dictation, lactation, manicotti, outacting, recontact, stonechat, taconites, toxicants, tractions, turncoats.
	+4 letters: accountant, actinolite, activation, actuations, anchovetta, anecdotist, anorthitic, antibiotic, antierotic, antipoetic, attraction, autochthon, cantonment, capitation, carnotites, cartoonist, castration, catamounts, catatonias, catatonics, catenation, cavitation, chatoyants, citational, coaptation, coattended, cogitating, cogitation, cohabitant, combatants, combatting, commentate, constantan, constantly, constative, constipate, constraint, consultant, contactees, contacting, contestant, contextual, continuant, continuate, contracted, contractor, contradict, contraltos, contrasted, corotating, corotation, cotangents, cottontail, counteract, cunctation, detoxicant, detraction, dictations, eructation, excitation, extraction, fantastico, fianchetto, incitation, incogitant, inconstant, intoxicant, intoxicate, lactations, malcontent, nematocyst, noncontact, pentatonic, precontact, protectant, punctation, punctuator, recitation, recontacts, retraction, solicitant, stonechats, technocrat, tinctorial, tomcatting, tractional, trajection, transactor, trochanter, truncation, urtication.
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.