| 单词 | hemiacetal |
| 释义 | hemiacetal in British English (ˌhɛmɪəˈsiːtæl) noun any of a class of compounds derived from aldehydes by adding an alcohol to the carbonyl group hemiacetal in American English (ˌhemiˈæsɪˌtæl) noun any of the class of organic chemical compounds having the general formula RCH(OH)OR, where R is an organic group Word origin [1890–95; hemi- + acetal]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blanket roll, bootstrap, masochism, neoclassicism, pogeyhemi- is a combining form meaning “half,” used in the formation of compound words. Otherwords that use the affix hemi- include: hemihedral, hemihydrate, hemiola, hemiplankton, hemisectExamples of 'hemiacetal' in a sentence |
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