英语词汇valer-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

ˈvaler-variant of valero-, employed before second elements beginning with a vowel, as valeraceto-nitril(e, valer-aldehyd(e, valer-aldine, valer-amide, valer-anilide.1848Fownes Chem. (ed. 2) 542 Alkalis convert..*valeracetonitril into valerianic and acetic acids and ammonia.1868Watts Dict. Chem. V. 972 Valeracetonitrile is a mobile colourless liquid.1852W. Gregory Handbk. Org. Chem. 236 *Valeraldehyde.1857Miller Elem. Chem., Org. 851 Valeraldehyd [= Valeric Aldehyd].1868Watts Dict. Chem. V. 974 *Valeraldine..An organic base, homologous with thialdine.1852W. Gregory Handbk. Org. Chem. (ed. 3) 236 When valerate of oxide of ethyle is left in contact with strong ammonia, *valeramide and alcohol are formed.1868Watts Dict. Chem. V. 974 Valeramide,..the primary amide of valeric acid.Ibid. 975 *Valeranilide... Produced by the action of valeric anhydride on aniline.

valer-
combining form
or valero-
Etymology: valeric (acid)
: valeric acid
< valeraldehyde >
< valerolactone >

词汇	valer-
词根词缀	OED Webster ˈvaler-variant of valero-, employed before second elements beginning with a vowel, as *valeraceto-nitril(e, valer-aldehyd(e, valer-aldine, valer-amide, valer-anilide.1848Fownes Chem.* (ed. 2) 542 Alkalis convert..valeracetonitril into valerianic and acetic acids and ammonia.1868Watts Dict. Chem.* V. 972 Valeracetonitrile is a mobile colourless liquid.1852W. Gregory Handbk. Org. Chem. 236 Valeraldehyde.1857Miller Elem. Chem., Org.* 851 Valeraldehyd [= Valeric Aldehyd].1868Watts Dict. Chem. V. 974 Valeraldine..An organic base, homologous with thialdine.1852W. Gregory Handbk. Org. Chem.* (ed. 3) 236 When valerate of oxide of ethyle is left in contact with strong ammonia, valeramide and alcohol are formed.1868Watts Dict. Chem.* V. 974 Valeramide,..the primary amide of valeric acid.Ibid. 975 Valeranilide... Produced by the action of valeric anhydride on aniline. valer-* combining form or valero- Etymology: valeric (acid) : valeric acid < valeraldehyde > < valerolactone >
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