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英語(yǔ)單詞

vitamin是什么意思

vitamin

英 ['v?t?m?n; 'va?t-] 美 ['va?t?m?n]
  • n. [生化] 維生素;[生化] 維他命

助記提示


1. vit- "life" + -amin (原為-amine, 由于后來(lái)發(fā)現(xiàn)其中沒(méi)有氨基酸,顧將后面的字母e去掉了,其實(shí)作為物質(zhì)的代稱(chēng),現(xiàn)在加不加字母e都沒(méi)什么關(guān)系啦)。
2. 該詞有兩種譯名,一種是意譯,即“維生素”,表示維持生命的元素,顧簡(jiǎn)稱(chēng)為維生素;另一種是音譯,即“維他命”,是根據(jù)發(fā)音音譯過(guò)來(lái)的,表示維持他的生命的重要物質(zhì),可以說(shuō)是音義合譯、音義雙關(guān)了。維他命是一個(gè)生理學(xué)術(shù)語(yǔ),指人體中占少量成分但對(duì)維持正常新陳代謝起決定作用的有機(jī)物。
3. 維生素是一種有機(jī)化合物,是保持身體健康和成長(zhǎng)的重要物質(zhì)。1912年,美國(guó)生物化學(xué)家卡西米爾·馮克(Casimir Funk,1884—1967)創(chuàng)造了該詞。起初,馮克把它拼作 vitamine,由兩個(gè)拉丁單詞 vita(生命)和amine(氨)組成,當(dāng)時(shí)人們以為維生素中包含了氨基酸。但后來(lái)人們發(fā)現(xiàn),維生素中并沒(méi)有氨基酸,遂去掉了vitamine 中的e。

中文詞源


vitamin 維他命,生命素

最早寫(xiě)做vitamine,來(lái)自vit-,生命,-amine,氨。后證實(shí)這種物質(zhì)不屬于氨基,因此字母e脫落。

英文詞源


vitamin
vitamin: [20] Vitamins were originally vitamines: the Polish-born biochemist Casimir Funk who introduced them to the world in 1920 believed that they were amino acids and so formed the name from Latin vita ‘life’ and amine. It was soon discovered that Funk’s belief was mistaken, and alternative names were suggested, but in 1920 it was successfully proposed (by J.C. Drummond) that the -e be dropped to avoid confusion, and the form vitamin was born.
=> amine, vital
vitamin (n.)
1920, originally vitamine (1912) coined by Polish biochemist Casimir Funk (1884-1967), from Latin vita "life" (see vital) + amine, because they were thought to contain amino acids. The terminal -e formally was stripped off when scientists learned the true nature of the substance; -in was acceptable because it was used for neutral substances of undefined composition. The lettering system of nomenclature (Vitamin A, B, C, etc.) was introduced at the same time (1920).

雙語(yǔ)例句


1. Butter, margarine, and oily fish are all good sources of vitamin D.
黃油、人造黃油和多脂魚(yú)都含有豐富的維生素D。

來(lái)自柯林斯例句

2. You can buy a formulation containing royal jelly, pollen and vitamin C.
可以買(mǎi)一種含蜂王漿、花粉和維生素C的配方產(chǎn)品。

來(lái)自柯林斯例句

3. Liver and kidney are particularly rich in vitamin A.
肝臟和腎臟富含維生素A。

來(lái)自柯林斯例句

4. He was put on a high dosage of vitamin C.
給他服了大劑量的維生素C。

來(lái)自柯林斯例句

5. The odour of vitamin in skin is repugnant to insects.
昆蟲(chóng)很討厭皮膚內(nèi)維生素的氣味。

來(lái)自柯林斯例句

單詞首字母

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