QUATERNARY

• (noun) the cardinal number that is the sum of three and one

  synonyms : 4 , four , foursome , iv , little joe , quadruplet , quartet , quatern , quaternion , quaternity , tetrad

• (noun) last 2 million years

  synonyms : age of man , quaternary period

• (adj.) 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"

  synonyms : 4th , fourth

• (adj.) consisting of or especially arranged in sets of four

  "quaternate leaves", "a quaternary compound"

  synonyms : quaternate

WordNet® 3.0, © 2006 by Princeton University.

•   Add   Mnemonic      Origin      Usage      Flickr-Image      Comment
•   To add this word to Your wordlists click here
•   Click here to view photos related to this word from
•   http://www.mnemonicdictionary.com/word/quaternary

Searched 1 times in total