-merismcomb. form

Primary stress is generally attracted to the syllable immediately preceding this combining form but otherwise retained by the usual stressed syllable of the preceding element. Vowels may be reduced accordingly. See e.g. tautomerism n.

Origin: Formed within English, by clipping or shortening. Etymons: isomerism n., metamerism n.¹, polymerism n.¹, polymerism n.²

Etymology: In sense 1 < -merism in isomerism n., metamerism n.¹, polymerism n.¹ In sense 2 < -merism in polymerism n.² Compare -mer comb. form², -mere comb. form, and -ism suffix. Compare French -mérisme.English formations are found from the late 19th cent. in both senses.

Categories »

1. Chemistry and Biochemistry. Forming nouns denoting the phenomenon or property of variation in molecular structure of the kind denoted by the first element, corresponding to adjectives in -meric comb. form.

Categories »

2. Biology. Forming nouns denoting the fact or state of being divided or divisible into parts: (a) of the number indicated by the first element, corresponding (typically) to adjectives in -merous comb. form, or (b) of a kind or in a manner indicated by the first element, corresponding to adjectives in -meric comb. form or -merous comb. form.

This is a new entry (OED Third Edition, September 2001; most recently modified version published online December 2018).

单词	-merism
释义	-merismcomb. form Primary stress is generally attracted to the syllable immediately preceding this combining form but otherwise retained by the usual stressed syllable of the preceding element. Vowels may be reduced accordingly. See e.g. tautomerism n. Origin: Formed within English, by clipping or shortening. Etymons: isomerism n., metamerism n.¹, polymerism n.¹, polymerism n.² Etymology: In sense 1 < -merism in isomerism n., metamerism n.¹, polymerism n.¹ In sense 2 < -merism in polymerism n.² Compare -mer comb. form², -mere comb. form, and -ism suffix. Compare French -mérisme.English formations are found from the late 19th cent. in both senses. Categories » 1. Chemistry and Biochemistry. Forming nouns denoting the phenomenon or property of variation in molecular structure of the kind denoted by the first element, corresponding to adjectives in -meric comb. form. Categories » 2. Biology. Forming nouns denoting the fact or state of being divided or divisible into parts: (a) of the number indicated by the first element, corresponding (typically) to adjectives in -merous comb. form, or (b) of a kind or in a manner indicated by the first element, corresponding to adjectives in -meric comb. form or -merous comb. form. This is a new entry (OED Third Edition, September 2001; most recently modified version published online December 2018). < comb. form
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