Rotenone
noun, Chemistry, Pharmacology.
1.
a white, crystalline, water-insoluble, poisonous heterocyclic compound, C 2 3 H 2 2 O 6 , obtained from derris root: used chiefly as the active ingredient of certain insecticides and in medicine in the treatment of chiggers and scabies.
noun
1.
a white odourless crystalline substance extracted from the roots of derris: a powerful insecticide. Formula: C23H22O6; relative density: 1.27; melting pt: 163°C
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noun 1. routine; a fixed, habitual, or mechanical course of procedure: the rote of daily living. adjective 2. proceeding mechanically and repetitiously; being mechanical and repetitious in nature; routine; habitual: rote performance; rote implementation; His behavior became more rote with every passing year. Idioms 3. by rote, from memory, without thought of the meaning; in […]
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noun 1. routine; a fixed, habitual, or mechanical course of procedure: the rote of daily living. adjective 2. proceeding mechanically and repetitiously; being mechanical and repetitious in nature; routine; habitual: rote performance; rote implementation; His behavior became more rote with every passing year. Idioms 3. by rote, from memory, without thought of the meaning; in […]
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ROTF rolling on the floor
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chat Rolling on the floor laughing my ass (arse) off. An extreme form of ROTFL. (2000-11-12) ROTFLMAO rolling on the floor laughing my ass off
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chat Rolling on the floor laughing my ass (or arse) off and scaring the cat. The superlative form of ROTFL. (2004-04-06)