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[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
protopine
CIDE DICTIONARY
protopine, n. [Proto- + opium.].
An alkaloid found in opium in small quantities, and extracted as a white crystalline substance. [1913 Webster]
For further exploring for "protopine" in Webster Dictionary Online