| 单词 | pentaerythritol |
| 释义 | pentaerythritol in American English (ˌpɛntəɛˈrɪθrɪˌtɔl; ˌpɛntəɛˈrɪθrɪˌtoʊl) noun a colorless, crystalline compound, C(CH2OH)4, prepared by reacting acetaldehyde with formaldehyde: used in the manufacture of alkyd resins, explosives, insecticides, etc. Word origin penta- + erythritolpentaerythritol in American English (ˌpentəɪˈrɪθrɪˌtɔl, -ˌtɑl) noun Chemistry a white, crystalline, water-soluble powder, C5H12O4, used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives Word origin [1890–95; penta- + erythritol]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blip, historicism, honky-tonk, plein-air, takedownpenta- is a combining form occurring in loanwords from Greek, meaning “five” (Pentateuch). On this model, penta- is used in the formation of compound words (pentavalent). Other words that use the affix penta- include: Pentateuch, pentachloronitrobenzene, pentahydrate, pentaptych, pentastyleExamples of 'pentaerythritol' in a sentence |
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