d
d
noun
The Roman numeral representing the number 500.
"D is 500 in Roman numerals."
noun
A grade indicating poor or below average performance in an examination.
"He got a D in his maths exam."
noun
The fourth letter of the English alphabet.
"D is for dog."
noun
A musical note, the second note of the C major scale.
"The song is in the key of D."
noun
A vitamin essential for bone health, found in sunlight and certain foods.
"Lack of vitamin D can cause problems."
noun
Abbreviation for pence or penny in pre-decimal British currency.
"Sixpence was written as 6d."
Thesaurus
Synonyms: cholecalciferol, viosterol, ergocalciferol, vitamin D, calciferol, 500, five hundred, cardinal