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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Czech
Czech Republic
Czechoslovak
Czechoslovakia
Czechoslovakian
Czestochowa
’d
D (1)
D (2)
D (3)
d (1)
d (2)
d.
d’
D & A (1)
D & A (2)
D/A
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D (2)
D


symbol 
Definition:
 
1. chemistry deuterium
2. optics diopter
3. physics dispersion
4. aerospace drag
5. mathematics used to refer to the first derivative of a function
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