d meaning and definition

D noun

Definition of D (noun)

1. a fat-soluble vitamin that prevents rickets
   • synonyms: calciferol, cholecalciferol, ergocalciferol, viosterol, vitamin D
2. the cardinal number that is the product of one hundred and five
   • synonyms: 500, five hundred
3. the 4th letter of the Roman alphabet
4. the 4th letter of the Roman alphabet

D adjective

Definition of d (adjective)

1. denoting a quantity consisting of 500 items or units
   • synonyms: 500, five hundred