oppositi-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin oppositus , -i- connective.

Etymology: < classical Latin oppositus opposite adj. + -i- connective.Earliest attested in the second half of the 18th cent. in oppositifolious . Combined chiefly with second elements ultimately of Latin origin. Compare French oppositiflore , oppositifolié , oppositipenné (all 1868 in Littré). R. G. Mayne (see quots. 1857 for oppositiflorous adj. , 1857 for oppositipennate adj. ) records also the Latin forms oppositiflorus, oppositipennatus.

Chiefly Botany.

Forming adjectives with the sense ‘opposite, oppositely’.

† oppositiflorous adj. Obsolete rare having opposite peduncles or inflorescences.

ΚΠ

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Oppositiflōrus, having opposing peduncles,..oppositiflorous.

oppositifolious adj.

Brit.

/əˌpɒzᵻtᵻˈfəʊlɪəs/

U.S.

/əˌpɑzədᵻˈfoʊliəs/

(a) having opposite leaves; (b) situated opposite a leaf, as a peduncle or tendril.

ΚΠ

1760 J. Lee Introd. Bot. iii. xxi. 213 Oppositifolious, such as come out opposite to the Leaves.

1968 Ann. Missouri Bot. Garden 55 107 Inflorescences usually terminal, infrequently oppositifolious.

† oppositipennate adj. Obsolete rare oppositely pinnate.

ΚΠ

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Oppositipennātus, applied to pennate leaves, of which the folioles are opposite: oppositipennate.

† oppositipetalous adj. Obsolete rare situated opposite a petal.

ΚΠ

1880 A. Gray Struct. Bot. 422/2 Oppositipetalous, placed before a petal.

oppositipolar adj.

Brit.

/əˌpɒzᵻtᵻˈpəʊlə/

U.S.

/əˌpɑzədᵻˈpoʊlər/

rare having poles situated on opposite sides; esp. (of a neuron) having a pair of axons on opposite sides of the cell body.

ΚΠ

1903 Buck's Ref. Handbk. Med. Sci. (rev. ed.) VII. 311/2 The dendrites which often run far out into the white substance tend to be arranged in oppositipolar groups corresponding to the spindle shape of many of these cells.

† oppositisepalous adj. Obsolete rare situated opposite a sepal.

ΚΠ

1880 A. Gray Struct. Bot. 422/2 Oppositisepalous, situated before a sepal.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	oppositi-
释义	oppositi-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin oppositus , -i- connective. Etymology: < classical Latin oppositus opposite adj. + -i- connective.Earliest attested in the second half of the 18th cent. in oppositifolious . Combined chiefly with second elements ultimately of Latin origin. Compare French oppositiflore , oppositifolié , oppositipenné (all 1868 in Littré). R. G. Mayne (see quots. 1857 for oppositiflorous adj. , 1857 for oppositipennate adj. ) records also the Latin forms oppositiflorus, oppositipennatus. Chiefly Botany. Forming adjectives with the sense ‘opposite, oppositely’. † oppositiflorous adj. Obsolete rare having opposite peduncles or inflorescences. ΚΠ 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Oppositiflōrus, having opposing peduncles,..oppositiflorous. oppositifolious adj. Brit. /əˌpɒzᵻtᵻˈfəʊlɪəs/ , U.S. /əˌpɑzədᵻˈfoʊliəs/ (a) having opposite leaves; (b) situated opposite a leaf, as a peduncle or tendril. ΚΠ 1760 J. Lee Introd. Bot. iii. xxi. 213 Oppositifolious, such as come out opposite to the Leaves. 1968 Ann. Missouri Bot. Garden 55 107 Inflorescences usually terminal, infrequently oppositifolious. † oppositipennate adj. Obsolete rare oppositely pinnate. ΚΠ 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Oppositipennātus, applied to pennate leaves, of which the folioles are opposite: oppositipennate. † oppositipetalous adj. Obsolete rare situated opposite a petal. ΚΠ 1880 A. Gray Struct. Bot. 422/2 Oppositipetalous, placed before a petal. oppositipolar adj. Brit. /əˌpɒzᵻtᵻˈpəʊlə/ , U.S. /əˌpɑzədᵻˈpoʊlər/ rare having poles situated on opposite sides; esp. (of a neuron) having a pair of axons on opposite sides of the cell body. ΚΠ 1903 Buck's Ref. Handbk. Med. Sci. (rev. ed.) VII. 311/2 The dendrites which often run far out into the white substance tend to be arranged in oppositipolar groups corresponding to the spindle shape of many of these cells. † oppositisepalous adj. Obsolete rare situated opposite a sepal. ΚΠ 1880 A. Gray Struct. Bot. 422/2 Oppositisepalous, situated before a sepal. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < comb. form1760
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