Definitions for: D

[n] the 4th letter of the Roman alphabet
[n] a fat-soluble vitamin that prevents rickets
[n] the cardinal number that is the product of one hundred and five
[adj] denoting a quantity consisting of 500 items or units

Webster (1913) Definition: D (d[=e])
1. The fourth letter of the English alphabet, and a vocal
consonant. The English letter is from Latin, which is from
Greek, which took it from Ph[oe]nician, the probable
ultimate origin being Egyptian. It is related most nearly
to t and th; as, Eng. deep, G. tief; Eng. daughter, G.
tochter, Gr. qyga`thr, Skr. duhitr. See Guide to
Pronunciation, [root]178, 179, 229.

2. (Mus.) The nominal of the second tone in the model major
scale (that in C), or of the fourth tone in the relative
minor scale of C (that in A minor), or of the key tone in
the relative minor of F.

3. As a numeral D stands for 500. in this use it is not the
initial of any word, or even strictly a letter, but one
half of the sign ? (or ? ) the original Tuscan numeral for

Synonyms: 500, 500, calciferol, cardinal, cholecarciferol, ergocalciferol, five hundred, five hundred, viosterol, vitamin D

See Also: alphabetic character, ergosterol, fat-soluble vitamin, large integer, letter, letter of the alphabet, Roman alphabet

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