What does quaternary mean?

Definitions for quaternary
ˈkwɒt ərˌnɛr i, kwəˈtɜr nə riqua·ter·na·ry

Here are all the possible meanings and translations of the word quaternary.

Princeton's WordNet

  1. Quaternary, Quaternary period, Age of Mannoun

    last 2 million years

  2. four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joeadjective

    the cardinal number that is the sum of three and one

  3. quaternate, quaternaryadjective

    consisting of or especially arranged in sets of four

    "quaternate leaves"; "a quaternary compound"

  4. fourth, 4th, quaternaryadjective

    coming next after the third and just before the fifth in position or time or degree or magnitude

    "the quaternary period of geologic time extends from the end of the tertiary period to the present"

Wiktionary

  1. quaternaryadjective

    Of fourth rank or order.

    Etymology: From the quaternarius, from quaterni + -arius (whence the suffix -ary); compare the quaternaire.

  2. quaternaryadjective

    Of a mathematical expression containing e.g. x.

    Etymology: From the quaternarius, from quaterni + -arius (whence the suffix -ary); compare the quaternaire.

  3. Quaternarynoun

    The geological period of the Cenozoic Era immediately following the Tertiary. It is subdivided into the Pleistocene and the Holocene Epochs.

    Etymology: From the quaternarius, from quaterni + -arius (whence the suffix -ary); compare the quaternaire.

Webster Dictionary

  1. Quaternaryadjective

    consisting of four; by fours, or in sets of four

    Etymology: [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four.]

  2. Quaternaryadjective

    later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man

    Etymology: [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four.]

  3. Quaternarynoun

    the number four

    Etymology: [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four.]

  4. Quaternarynoun

    the Quaternary age, era, or formation. See the Chart of Geology

    Etymology: [L. quaternarius consisting of four each, containing four, fr. quaterni four each, fr. quattuor four: cf. F. quaternaire. See Four.]

Freebase

  1. Quaternary

    The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows the Neogene Period and spans from 2.588 ± 0.005 million years ago to the present. The relatively short period is characterized by a series of glaciations and by the appearance and expansion of anatomically modern humans. The Quaternary includes two geologic epochs: the Pleistocene and Holocene. A proposed but as yet informal third epoch, the Anthropocene, has also gained credence as the time in which humans began to profoundly affect and change the global environment, although its start date is still disputed.

Chambers 20th Century Dictionary

  1. Quaternary

    kwa-tėr′nar-i, adj. consisting of four: by fours: pertaining to strata more recent than the Upper Tertiary: (math.) containing four variables.—n. a group of four things.—adjs. Quāt′ern, Quāter′nāte, composed of, or arranged in, sets of four.—n. Quāter′nion, a set or group of four: a word of four syllables: (pl.) in mathematics, a calculus of peculiar power and generality invented by Sir W. R. Hamilton of Dublin, as a geometry, primarily concerning itself with the operations by which one directed quantity or vector is changed into another.—v.t. to divide into quaternions: (Milt.) to divide into companies.—ns. Quāter′nionist, a student of quaternions; Quātern′ity, the state of being four, a group of four.—Quaternary number, ten; so called by the Pythagoreans because equal to 1 + 2 + 3 + 4.

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Numerology

  1. Chaldean Numerology

    The numerical value of quaternary in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of quaternary in Pythagorean Numerology is: 5

Images & Illustrations of quaternary

  1. quaternaryquaternaryquaternaryquaternaryquaternary

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quaternary#10000#32268#100000

Translations for quaternary

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