Dictionary
alkaloid
noun al·ka·loid \ˈal-kə-ˌlȯid\
Definition of ALKALOID
: any of numerous usually colorless, complex, and bitter organic bases (as morphine or caffeine) containing nitrogen and usually oxygen that occur especially in seed plants and are typically physiologically active
— al·ka·loi·dal \ˌal-kə-ˈlȯi-dəl\ adjective
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First Known Use of ALKALOID
circa 1831
Rhymes with ALKALOID
adenoid, amoeboid, aneroid, anthropoid, arachnoid, asteroid, Australoid, carcinoid, Caucasoid, celluloid, crystalloid, echinoid, ellipsoid, embryoid, eunuchoid, flavonoid, helicoid, hemorrhoid, hominoid, humanoid, hysteroid, metalloid, Mongoloid, myeloid, nautiloid, nucleoid, null and void, obovoid, opioid, osteoid, overjoyed, paranoid, planetoid, Polaroid, retinoid, rheumatoid, solenoid, Stalinoid, trapezoid, unalloyed, unemployed
Medical Dictionary
alkaloid
noun al·ka·loid \ˈal-kə-ˌlȯid\
Medical Definition of ALKALOID
: any of numerous usually colorless, complex, and bitter organic bases (as morphine or caffeine) containing nitrogen and usually oxygen that occur especially in seed plants and are typically physiologically active
—al·ka·loi·dal \ˌal-kə-ˈlȯid-əl\ adjective
Learn More About ALKALOID
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