porusn.

Brit.

/ˈpɔːrəs/, U.S.

/ˈpɔrəs/

Inflections: Plural pori Brit.

/ˈpɔːrʌɪ/,

/ˈpɔːriː/, U.S.

/ˈpɔraɪ/.

Origin: A borrowing from Latin. Etymon: Latin porus.

Etymology: < post-classical Latin porus (see pore n.¹).Compare earlier use of the Latin word in an English context:1764 J. Berkenhout Clavis Anglica Linguæ Bot. (at cited word) Linnæus chuses to class these Pori, pores, observable on the surface of some plants, among the secretory, rather [than] excretory glandulæ.

Botany.

A pore, esp. that of a pollen grain.

ΘΚΠ

the world > plants > part of plant > part defined by form or function > [noun] > hole or opening

porea1398

micropore1885

porus1943

1943 G. Erdtman Introd. Pollen Anal. 52 Porus, pore... There is a gradual transition from a porus simplex which does not lead into a vestibulum, to a porus vestibuli.

1954 New Phytologist 53 369 The mis-spelling of ‘porus’ as ‘pores’ (page 65) is unfortunate.

1986 Amer. Jrnl. Bot. 73 1032/2 The pori are equatorial..and often have..thickened opercula..with the ends merging often with the extra-apertural portion of the grain.

2000 Grana 39 90 Morphologically the tribe is characterised by..the shape of the ectoapertures which is intermediate between a colpus and a porus.

This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	porus
释义	porusn. Brit. /ˈpɔːrəs/, U.S. /ˈpɔrəs/ Inflections: Plural pori Brit. /ˈpɔːrʌɪ/, /ˈpɔːriː/, U.S. /ˈpɔraɪ/. Origin: A borrowing from Latin. Etymon: Latin porus. Etymology: < post-classical Latin porus (see pore n.¹).Compare earlier use of the Latin word in an English context:1764 J. Berkenhout Clavis Anglica Linguæ Bot. (at cited word) Linnæus chuses to class these Pori, pores, observable on the surface of some plants, among the secretory, rather [than] excretory glandulæ. Botany. A pore, esp. that of a pollen grain. ΘΚΠ the world > plants > part of plant > part defined by form or function > [noun] > hole or opening porea1398 micropore1885 porus1943 1943 G. Erdtman Introd. Pollen Anal. 52 Porus, pore... There is a gradual transition from a porus simplex which does not lead into a vestibulum, to a porus vestibuli. 1954 New Phytologist 53 369 The mis-spelling of ‘porus’ as ‘pores’ (page 65) is unfortunate. 1986 Amer. Jrnl. Bot. 73 1032/2 The pori are equatorial..and often have..thickened opercula..with the ends merging often with the extra-apertural portion of the grain. 2000 Grana 39 90 Morphologically the tribe is characterised by..the shape of the ectoapertures which is intermediate between a colpus and a porus. This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1943
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