alkaloid substance

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• alkaloid — UK [ˈælkəˌlɔɪd] / US noun [countable/uncountable] Word forms alkaloid : singular alkaloid plural alkaloids chemistry a substance found in plants that is used in drugs and poisons. Morphine, nicotine, and strychnine are all alkaloids …   English dictionary

• alkaloid — al|ka|loid1 [ ælkə,lɔıd ] noun count or uncount SCIENCE a substance found in plants that is used in drugs or as a poison alkaloid al|ka|loid 2 [ ælkə,lɔıd ] adjective AMERICAN TECHNICAL another word for ALKALINE …   Usage of the words and phrases in modern English

• brucine — noun a bitter alkaloid poison resembling strychnine and extracted from nux vomica • Hypernyms: ↑plant toxin, ↑phytotoxin, ↑alkaloid • Substance Holonyms: ↑nux vomica …   Useful english dictionary

• caffein — noun a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects • Syn: ↑caffeine • Derivationally related forms: ↑caffeinic • Hypernyms: ↑alkaloid • Substance Holonyms: ↑coffee, ↑ …   Useful english dictionary

• Parotoid gland — For one of the human salivary glands, see parotid gland. The parotoid gland is an external skin gland on the back, neck, and shoulder of toads and some frogs and salamanders. It secretes a milky alkaloid substance to deter predators. The… …   Wikipedia

• aphrodisiac — /af reuh dee ze ak , diz ee ak /, adj. 1. Also, aphrodisiacal /af reuh deuh zuy euh keuhl, suy /. arousing sexual desire. n. 2. an aphrodisiac food, drug, potion, or other agent that arouses sexual desire. [1710 20; < Gk aphrodisiakós relating to …   Universalium

• atroscine — n. scopolamine, poisonous alkaloid substance derived from some types of plants (refined and used as a medication) …   English contemporary dictionary

• scopolamine — n. poisonous alkaloid substance derived from some types of plants (refined and used as a medication) …   English contemporary dictionary

• veratrine — n. poisonous alkaloid substance extracted from the root of the veratrum or from sabadilla seeds (occasionally used in topical ointments to treat rheumatism and neuralgia) …   English contemporary dictionary

• physostigmine — noun used in treatment of Alzheimer s disease and glaucoma • Hypernyms: ↑alkaloid • Substance Holonyms: ↑medicine, ↑medication, ↑medicament, ↑medicinal drug …   Useful english dictionary

• rauwolfia — noun 1. any of several alkaloids extracted from the shrub Rauwolfia serpentina • Hypernyms: ↑alkaloid • Substance Holonyms: ↑reserpine, ↑Raudixin, ↑Rau Sed, ↑Sandril, ↑Serpasil 2. any shrub or small tree of the genus Rauwolfia …   Useful english dictionary