请输入您要查询的英文单词:

 

单词 alorcinic
释义

alorcinicadj.

Brit. /ˌalɔːˈsɪnɪk/, U.S. /ˌælɔrˈsɪnɪk/
Origin: A borrowing from German, combined with an English element. Etymons: German Alorcinsäure , -ic suffix.
Etymology: < alorcin- (in German Alorcinsäure alorcinic acid: P. Weselsky 1872, in Berichte der Deutsch. Chem. Ges. 5 169; < al- (in Aloe aloe n.) + Orcin orcin n. + Säure acid) + -ic suffix.
Chemistry. Now rare.
alorcinic acid n. a crystalline aromatic acid of uncertain identity formed by reaction of bitter aloes with potassium hydroxide.Said to have the formula C6H2(CH3)2OH3COOH.
ΘΚΠ
the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [adjective] > miscellaneous others
aloetic acid1810
anemonic acid1838
azohumic1863
ipecacuanhic1865
anilic1868
ulmous1868
alorcinic acid1872
racemic1892
racemized1896
lauroyl1939
1872 Chem. News 12 Apr. 179/1 The author proposes to name this acid alorcinic acid.
1875 H. Watts Dict. Chem.: 2nd Suppl. 53 Alorcinic acid is resolved by fusion with potash into acetic acid and orcin.
1912 T. E. Thorpe Dict. Appl. Chem. (rev. ed.) I. 100/2 On fusion with caustic potash, barbaloïn yields orcin, p-hydroxybenzoic and alorcinic acids.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
<
adj.1872
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/24 11:03:28