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diethylcarbamazine
diethylstilbestrol
dietitian
Dieu et mon droit
diff.
differ
difference
different
differentia
differential
differential amplifier
differential calculus
differential coefficient
differential equation
differential gear
differential rotation
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diffraction
dif·frac·tion [ di frákshən ]


noun 
Definition:
 
bending of waves: the bending or spreading out of waves, e.g. of sound or light, as they pass around the edge of an obstacle or through a narrow aperture
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