d   (TTS Sound)

The noun d has 3 senses

• vitamin D, calciferol, viosterol, ergocalciferol, cholecalciferol, D -- (a fat-soluble vitamin that prevents rickets)


• five hundred, 500, D -- (the cardinal number that is the product of one hundred and five)


• D, d -- (the 4th letter of the Roman alphabet)

The adj d has 1 sense

• five hundred, 500, d -- (denoting a quantity consisting of 500 items or units)