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dopehead
dopester
dopey
dopiaza
doping agent
doppelgänger
Doppler effect
Doppler radar
Doppler shift
dopy
dor
Dorado
dorado
dorbeetle
Dorcas society
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dopa
do·pa [ dṓpə ]


noun 
Definition:
 
substance formed in body: a natural precursor of epinephrine and dopamine. Use: in synthetic form, treatment of Parkinson's disease.
[Early 20th century. Acronym <di-1 + oxy- + phenyl + alanine]
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