Phenol etymology
WebMay 17, 2024 · phenomenal Etymology, origin and meaning of phenomenal by etymonline phenomenal (adj.) 1803, "pertaining to or of the nature of a phenomenon," a hybrid from phenomenon + -al (1). Meaning "remarkable, exceptional, exciting wonder" is by 1850. [Phenomenal] is a metaphysical term with a use of its own. WebNov 28, 2024 · monophenol ( plural monophenols ) ( organic chemistry) Any compound containing one phenolic hydroxyl group.
Phenol etymology
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WebThe role of the phenol red indicator is to tell what the bacteria is fermenting. If acid is produced from sugar fermentation, then the pH drops, and the tube turns yellow. If the sugar cannot be fermented, and the bacteria then breaks down amino acids that produce NH3 then the pH will increase and cause the tube to turn pink. Web原始印欧语根词，意为“发光”；它构成了“黄金”（“明亮”的金属），表示颜色的词语，特别是“黄色”和“绿色”，还有一个大量的日耳曼语 gl-词汇，与闪耀和闪闪发光有关，也许还与滑动有关。 巴克（Buck）说，黄色和绿色的词语交替使用是“可能因为它们被应用于像草、谷物等植 …
WebMay 17, 2024 · phenology (n.) "study of the influence of climate on recurring annual phenomena of animal and vegetable life," 1881, from German ( phänologisch, Karl Fritsch, 1853) from Latin phaeno-, from Greek phaino-, from phainein "bring to light, cause to appear, show" (from PIE root *bha- (1) "to shine"). With -logy. Related: Phenological (1873). WebThe name derives from the Ancient Greek word πολύς ( polus, meaning "many, much") and the word ‘phenol’ which refers to a chemical structure formed by attaching to an aromatic benzenoid ( phenyl) ring to a hydroxyl (-OH) group as is found in alcohols (hence the -ol suffix). The term "polyphenol" has been in use at least since 1894. [4]
Web: a metabolic disorder that is caused by an enzyme deficiency resulting in the accumulation of phenylalanine and its metabolites (as phenylpyruvic acid) in the blood and their excess excretion in the urine, that is inherited as an autosomal recessive trait, and that causes usually severe intellectual disability, seizures, eczema, and abnormal … WebYou can also see our other etymologies for the English word phenol. Currently you are viewing the etymology of phenol with the meaning: (Noun) (organic chemistry, countable) …
WebSame as Phenol. ... Etymology # Webster's Revised Unabridged Dictionary Oxy-, + benzene, Usage in literature # The action of chlorine upon di-and tri-oxybenzenes has been carefully investigated by Th. "Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various. Synonyms # carbolic acid ...
Web1. : a corrosive poisonous crystalline acidic compound C6H5OH present in the tars of coal and wood that in dilute solution is used as a disinfectant. 2. : any of various acidic … cox rodman middletonWeb1 : any of three crystalline compounds NH2C6H4OH derived from phenol, distinguished as ortho-aminophenol, meta-aminophenol, and para-aminophenol, and used as dye … disney princess news twitterWebMay 16, 2024 · as an element in names of chemicals derived from benzene, from French phène, proposed 1836 by French scientist Auguste Laurent as an alternative name for … disney princess nail stickersWebdiphenol ( plural diphenols ) ( organic chemistry) Any compound that has two phenol groups; especially the isomeric benzenediols ( catechol, resorcinol and hydroquinone ). Translations [ edit] ± show organic chemistry: compound with two phenol groups Anagrams [ … cox rogers \\u0026 assoc inc cpa 703 n green stWeb1540年代（早在15世纪时期称为 alcofol ），指“通过升华产生的细粉末”，源自中世纪拉丁语 alcohol “锑粉末矿石”，源自阿拉伯语 al-kuhul “眼线粉”，指用于加深眼线的细金属粉末，源自 kahala “染色，涂漆”。 al-是阿拉伯语的定冠词，“the”。帕拉塞尔苏斯（1493-1541）用这个词来指代一种细粉末 ... cox rogersWebInfobox references. Phenolphthalein ( / fɛˈnɒl ( f) θəliːn / [citation needed] feh-NOL (F)-thə-leen) is a chemical compound with the formula C 20 H 14 O 4 and is often written as " HIn … cox rogers \u0026 assoc inc cpa 703 n green stWebcarbolic acid, 1845, from pheno , comb. form of PHENE (Cf. phene), + OL (Cf. ol). Discovered in coal tar in 1834; used as an antiseptic from 1867. Related: Phenolic cox rogers ar