In dictionaries:
d e
Distance education delivered electronically everywhere.
vitamin D
Essential for bone health, immunity.
g d
"Good day" informal greeting abbreviation.
d day
Allied invasion of Normandy, WWII.
a d
"A d" lacks specific meaning.
D and C
Dilation and curettage, surgical uterine procedure.
d i
Distance between two points measured.
three d
Three-dimensional space perception representation.
3 d
d l
Distance learning through digital platforms.
d a
Disability-adjusted life years, health metric.
d 1
d layer
Earth's deep interior seismic layers.
d o
Dissolved oxygen in aquatic environments.
immunoglobulin D
Antibody involved in immune response.
d region
Lowest ionospheric layer, absorbs radio.
d u
hepatitis D
Viral infection dependent on hepatitis B.
b d
Mirror image lowercase letter pair.
d c
District of Columbia, U.S. capital.
maitre d
Manager of restaurant's front house.
a d converter
Converts analog signals to digital.
d type
Semiconductor device, controls current flow.
regulation d
U.S. securities offering exemption rules.
2 4 d
d h lawrence
British author known for lyricism.
d ring
Metal loop shaped like D.
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