rhynchokinesisn.

Brit.

/ˌrɪŋkə(ʊ)kᵻˈniːsɪs/,

/ˌrɪŋkə(ʊ)kʌɪˈniːsɪs/, U.S.

/ˈˌrɪŋkoʊkəˈnisᵻs/,

/ˈˌrɪŋkoʊˌkaɪˈnisᵻs/

Origin: Formed within English, by compounding. Etymons: rhyncho- comb. form, kinesis n.

Etymology: < rhyncho- comb. form + kinesis n., after rhynchokinetic adj.

Zoology.

A form of upper jaw mobility, found in some birds, in which the terminal part of the upper jaw may be raised or lowered independently of the rest of it by the bending of the nasal or premaxillary bones. Cf. prokinesis n.

ΘΚΠ

the world > animals > birds > parts of or bird defined by > [noun] > beak or bill > upper or lower beak > part or process of upper beak

nail1769

tooth1847

prokinesis1962

rhynchokinesis1963

1963 W. J. Bock in C. G. Sibley Proc. XIII Internat. Ornithol. Congr. I. 46 Hofer showed that rhynchokinesis is correlated with a schizorhinal nostril.

1994 Guardian 3 Feb. i. 21/2 A curlew's bill is possessed of an astounding quality—rhynchokinesis.

2001 D. B. A. Thompson & I. Byrkjedal Shorebirds 56 They can open the tip of the bill without opening the rest of it, a phenomenon known as rhynchokinesis.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rhynchokinesis
释义	rhynchokinesisn. Brit. /ˌrɪŋkə(ʊ)kᵻˈniːsɪs/, /ˌrɪŋkə(ʊ)kʌɪˈniːsɪs/, U.S. /ˈˌrɪŋkoʊkəˈnisᵻs/, /ˈˌrɪŋkoʊˌkaɪˈnisᵻs/ Origin: Formed within English, by compounding. Etymons: rhyncho- comb. form, kinesis n. Etymology: < rhyncho- comb. form + kinesis n., after rhynchokinetic adj. Zoology. A form of upper jaw mobility, found in some birds, in which the terminal part of the upper jaw may be raised or lowered independently of the rest of it by the bending of the nasal or premaxillary bones. Cf. prokinesis n. ΘΚΠ the world > animals > birds > parts of or bird defined by > [noun] > beak or bill > upper or lower beak > part or process of upper beak nail1769 tooth1847 prokinesis1962 rhynchokinesis1963 1963 W. J. Bock in C. G. Sibley Proc. XIII Internat. Ornithol. Congr. I. 46 Hofer showed that rhynchokinesis is correlated with a schizorhinal nostril. 1994 Guardian 3 Feb. i. 21/2 A curlew's bill is possessed of an astounding quality—rhynchokinesis. 2001 D. B. A. Thompson & I. Byrkjedal Shorebirds 56 They can open the tip of the bill without opening the rest of it, a phenomenon known as rhynchokinesis. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1963
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