d
7 ENTRIES FOUND:
d
noun
plural
d's
or
ds
or
D's
or
Ds
d
noun
plural
d's
or
ds
or
D's
or
Ds
Britannica Dictionary definition of D
1
:
the fourth letter of the English alphabet
[count]
-
Many people who are learning to read confuse b's and d's.
[noncount]
-
names that start with d
2
:
a musical note or key referred to by the letter D
:
the second tone of a C-major scale
[count]
[noncount]
-
The song is in the key of D.
3
[count]
:
a grade that is given to a student for doing poor work
-
She got a D on her chemistry test.
4
:
the Roman numeral that means 500
