Definition of
D
- (noun, substance) a fat-soluble vitamin that prevents rickets
- (noun, quantity) the cardinal number that is the product of one hundred and five
- (noun, communication) the 4th letter of the Roman alphabet
- (adj, all) denoting a quantity consisting of 500 items or units
via WordNet, Princeton University
Synonyms of D
500, calciferol, cholecalciferol, ergocalciferol, five hundred, viosterol, vitamin d
Alternate forms of D
Hypernyms: alphabetic character, fat-soluble vitamin, large integer, letter, letter of the alphabet
Origin of the word D
- from Gk. delta, from Phoenician and Hebrew daleth. The sign for "500" in Roman numerals. 3-D is attested from 1953. more
via Online Etymology Dictionary, ©2001 Douglas Harper