英语词汇-ein的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

-ein
suff.（后缀）

A chemical compound related to a specified compound with a similar name ending in-in or -ine :
含内酐的化合物：一种与有类似以-in 或 -ine 结尾的名字的化合物有关的化合物：
phthalein.
phthalein（酞）

语源

Alteration of -in
-in的变化

-ein, -einevariants of -in¹ and -ine⁵ used as suffixes in the names of certain chemical compounds containing anhydrides, esp. phthalic anhydride. In bases the ending is usually -eine, and in non-bases -ein.1871Jrnl. Chem. Soc. XXIV. 834 (heading) Fluorescein and Fluorescin.Ibid., By heating together phthalic anhydride and resorcin, Baeyer has obtained a body which he calls fluorescein.1884, etc. [see cysteine].1889Jrnl. Chem. Soc. LVI. 1153 Catecholphthaleïn..is obtained when phthalic anhydride (3 parts) is heated with catechol and zinc chloride.1932Chem. Abstr. 1388 One of the alleged secondary alkaloids, nicoteine, isolated by Pictet, is shown to have no existence.1949Blakiston's New Gould Med. Dict., Narceine, an alkaloid contained in morphine.

☞ -ein, -eine

-ein /ɪɪn, ɪn/ suffix.Var. of -in¹, used in names of some chemical compounds, as fluorescein, phenolphthalein.

-ein
noun suffix
or -eine
(-s)
Etymology: International Scientific Vocabulary, alteration of -in, -ine
: a compound distinguished from a compound with a name ending in -in or -ine — usually -eine in names of bases and -ein in names of nonbases
< nicoteine >
< phthalein >

词汇	-ein
词根词缀	AHD OED Prefixsuffix.com SOED Webster -ein suff.（后缀） A chemical compound related to a specified compound with a similar name ending in-in or -ine : 含内酐的化合物：一种与有类似以-in 或 -ine 结尾的名字的化合物有关的化合物： phthalein. phthalein（酞）语源 Alteration of -in -in的变化 -ein, -einevariants of -in¹ and -ine⁵ used as suffixes in the names of certain chemical compounds containing anhydrides, esp. phthalic anhydride. In bases the ending is usually -eine, and in non-bases -ein.1871Jrnl. Chem. Soc. XXIV. 834 (heading) Fluorescein and Fluorescin.Ibid., By heating together phthalic anhydride and resorcin, Baeyer has obtained a body which he calls fluorescein.1884, etc. [see cysteine].1889Jrnl. Chem. Soc. LVI. 1153 Catecholphthaleïn..is obtained when phthalic anhydride (3 parts) is heated with catechol and zinc chloride.1932Chem. Abstr. 1388 One of the alleged secondary alkaloids, nicoteine, isolated by Pictet, is shown to have no existence.1949Blakiston's New Gould Med. Dict., Narceine, an alkaloid contained in morphine. ☞ -ein, -eine -ein /ɪɪn, ɪn/ suffix.Var. of -in¹, used in names of some chemical compounds, as fluorescein, phenolphthalein. -ein noun suffix or -eine (-s) Etymology: International Scientific Vocabulary, alteration of -in, -ine : a compound distinguished from a compound with a name ending in -in or -ine — usually -eine in names of bases and -ein in names of nonbases < nicoteine > < phthalein >
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