The Clue
Pertaining to the present period in earth history (10 letter answer)
The Answer
QUATERNARY
Tags
Notes
The answer QUATERNARY is so rare that it appears less than once every 2500 puzzles.
Related Clues
Set of four
Definition
QUATERNARY as a noun:
1. (Quaternary, Quaternary period, Age of Man) = last 2 million years
2. (four, 4, IV, tetrad, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe) = the cardinal number that is the sum of three and one
QUATERNARY as an adjective:
1. (quaternate, quaternary) = consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound"
2. (fourth, 4th, quaternary) = 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"