-trophincomb. form

Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek τροϕή , -in suffix¹.

Etymology: < ancient Greek τροϕή nourishment (see tropho- comb. form) + -in suffix¹, originally and chiefly after adjectives in -trophic comb. form (compare -trophic comb. form 2). Compare -tropin comb. form.Found in a number of formations from the first half of the 20th cent., e.g. gonadotrophin n. at gonadotrophic adj. Derivatives, luteotrophin n. at luteotrophic adj. Derivatives, adrenocorticotrophin n., etc. Many of these formations have parallels in -tropin comb. form (see discussion at that entry, and also at -trophic comb. form).

Physiology.

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Forming nouns denoting hormones and other substances having a stimulatory effect on the growth or function of a tissue or organ, as adrenocorticotrophin n., mammotrophin n., etc. Usually corresponding to adjectives in -trophic comb. form.Frequently having parallel formations in -tropin comb. form.

This is a new entry (OED Third Edition, March 2014; most recently modified version published online September 2021).

单词	-trophin
释义	-trophincomb. form Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek τροϕή , -in suffix¹. Etymology: < ancient Greek τροϕή nourishment (see tropho- comb. form) + -in suffix¹, originally and chiefly after adjectives in -trophic comb. form (compare -trophic comb. form 2). Compare -tropin comb. form.Found in a number of formations from the first half of the 20th cent., e.g. gonadotrophin n. at gonadotrophic adj. Derivatives, luteotrophin n. at luteotrophic adj. Derivatives, adrenocorticotrophin n., etc. Many of these formations have parallels in -tropin comb. form (see discussion at that entry, and also at -trophic comb. form). Physiology. Categories » Forming nouns denoting hormones and other substances having a stimulatory effect on the growth or function of a tissue or organ, as adrenocorticotrophin n., mammotrophin n., etc. Usually corresponding to adjectives in -trophic comb. form.Frequently having parallel formations in -tropin comb. form. This is a new entry (OED Third Edition, March 2014; most recently modified version published online September 2021). < comb. form
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