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D

D

16 1.0
The fourth letter of the English alphabet and a musical note
  • noun
  • /diː/
translation icon : letra D
  • The teacher explained that the letter D represents a specific pitch in musical notation.
  • 3-D
  • 2-D
  • D drawing

You have the notes, EG sharp D and then G natural.

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Examples

  • I just know that her name starts with a D.

  • In music class, we learned to sing scales starting from D to E and then F.

  • Go down to level D, make a right turn.

  • But so far this semester your grade is a D.

  • So GFA flat D flat E flat G.

  • Trumpets in D, tonic and dominant, first and third beats.

  • The musical note D is often played on the piano as the second note of the C major scale.

Synonyms

dee
vsD
6 9.9

The spoken name of the letter D in English

is the fourth alphabet letter that also names a musical note

Compounds

3-D
52 3.4

A movie or picture that looks like it has depth

vitamin D
  • Specialized
21 2.5

A substance that helps the body use calcium to keep bones and teeth healthy

D and C
  • Specialized
1 8.0

A surgery that opens the cervix and removes tissue from the womb

1 4.7

The day the Allies invaded Normandy, France on June 6, 1944

D-day
  • Informal
1 4.8

A day when a very important action or decision happens

chlorophyll d
  • Specialized
6.7

A green substance in red algae that helps them make food from light

D region
  • Specialized
9.5

The lowest part of the ionosphere about 35 to 50 miles above Earth that bounces back low radio waves

D-layer
  • Specialized
9.5

The lowest part of the upper atmosphere high above the Earth that reflects low radio waves

immunoglobulin D
  • Specialized
7.3

A type of antibody found in small amounts in the blood that helps the immune system

8.4

A prescription pill women use to prevent pregnancy that contains the hormone norethindrone

the d-word
  • Informal
9.9

A polite way to say divorce without mentioning it directly

4.3

A film or picture that looks deep, not flat

Surface Forms

D singular
Ds plural

Etymology

D comes from the old Greek letter delta, which began as a simple picture meaning 'door'. That's why D is the name of the fourth letter and also the name of a musical note.