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1

quaternary

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adjective qua·ter·na·ry \ˈkwä-tə(r)-ˌner-ē, kwə-ˈtər-nə-rē\

Definition of quaternary

  1. 1 a :  of, relating to, or consisting of four units or members b :  of, relating to, or being a number system with a base of four

  2. 2 capitalized :  of, relating to, or being the geological period from the end of the Tertiary to the present time or the corresponding system of rocks — see geologic time table

  3. 3 :  consisting of, containing, or being an atom bonded to four other atoms



Origin of quaternary

Latin quaternarius, from quaterni four each


First Known Use: 1605

Rhymes with quaternary

actuary, adversary, airy-fairy, ancillary, antiquary, apiary, arbitrary, aviary, axillary, bacillary, beriberi, bestiary, biliary, black raspberry, Bloody Mary, boysenberry, breviary, budgetary, calamari, calamary, candleberry, Canterbury, capillary, carpellary, cassowary, catenary, cautionary, cavitary, cemetery, centenary, certiorari, checkerberry, chinaberry, cometary, commentary, commissary, condottiere, coralberry, corollary, coronary, culinary, customary, dictionary, dietary, dignitary, dromedary, dysentery, elderberry, emissary, estuary, farkleberry, February, formulary, fragmentary, fritillary, functionary, funerary, honorary, huckleberry, intermarry, janissary, January, lamasery, lapidary, lectionary, legendary, legionary, lingonberry, literary, loganberry, luminary, mammillary, mandatary, maxillary, medullary, mercenary, miliary, military, millenary, milliary, millinery, missionary, momentary, monastery, mortuary, necessary, ordinary, ossuary, partridgeberry, pensionary, pigmentary, planetary, Pondicherry, prebendary, presbytery, pulmonary, red mulberry, reliquary, rowanberry, salivary, salmonberry, salutary, sanctuary, sanguinary, sanitary, secondary, secretary, sedentary, seminary, silverberry, solitary, sour cherry, stationary, stationery, statuary, subcontrary, sublunary, sugarberry, sumptuary, syllabary, temporary, tertiary, thimbleberry, Tipperary, Tom and Jerry, topiary, tributary, tutelary, Typhoid Mary, unitary, urinary, vestiary, Virgin Mary, visionary, voluntary, vulnerary, Waterbury, whortleberry, winterberry


2

quaternary

noun qua·ter·na·ry

Definition of quaternary

plural quaternaries

  1. 1 capitalized :  the Quaternary period or system of rocks

  2. 2 :  a member of a group fourth in order or rank



1880

First Known Use of quaternary

1880


Learn More about quaternary

  1. Medical Dictionary: Definition of "quaternary"


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