单词 | apheliotropism |
释义 | apheliotropism in American English (əˌfiliˈɑtrəˌpɪzəm) noun a tendency of certain plants to turn away from the sun; negative heliotropism Derived forms apheliotropic (aˌphelioˈtropic) (əˌfiliəˈtrɑpɪk) adjective Word origin ap- + heliotropismapheliotropism in American English (əˌfiliˈɑtrəˌpɪzəm, æpˌhili-) noun Botany apheliotropic tendency or type of growth Word origin [1875–80; apheliotrop(ic) + -ism]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: Diaspora, cross-fertilization, neoclassic, pressure point, weekend-ism is a suffix appearing in loanwords from Greek, where it was used to form action nounsfrom verbs (baptism). On this model, -ism is used as a productive suffix in the formation of nouns denoting action or practice,state or condition, principles, doctrines, a usage or characteristic, devotion oradherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism) |
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