mucron.

Brit.

/ˈmjuːkrəʊ/, U.S.

/ˈmjukroʊ/

Inflections: Plural mucrones Brit.

/ˈmjuːkrəʊniːz/, U.S.

/ˌmjuˈkroʊniz/, mucros.

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

Etymology: < classical Latin mucrō point, probably cognate with Byzantine Greek ἀμυκαλαί points of missiles (Hesychius), ancient Greek ἀμύσσειν to tear (see amyctic adj.).The -u- of classical Latin mucrō is of indeterminate length since the syllable is heavy. The -υ- of ancient Greek ἀμύσσειν is short.

Biology.

A pointed part of an organ or structure; (esp. in Zoology and Botany) a short, sharp, abrupt, terminal point or pointed process.

ΘΚΠ

the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > pointed projection

tongue1398

jag1578

mucro1646

spur1681

rostruma1728

spicula1753

spikelet1851

lingula1856

mucronation1862

cusp1879

mucronule1890

the world > plants > part of plant > part defined by form or function > [noun] > pointed end

mucro1744

cuspis1785

cusp1870

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > general parts > short, stout, sharp-pointed part

mucro1817

1646 Sir T. Browne Pseudodoxia Epidemica iv. ii. 181 The Mucro or point [of the heart]..inclineth unto the left.

1684 R. Boyle Exper. Porosity of Bodies v. 48 The motions of the Cone, as they call it, or Mucro of the Heart.

1744 J. Wilson Synopsis Brit. Plants Mucro, a sharp Point.

1817 W. Kirby & W. Spence Introd. Entomol. II. xxiii. 317 The..elastic beetles..perform this motion by means of a pectoral process or mucro.

1833 W. J. Hooker Brit. Flora II. i. 65 Bryum affine..lid conical with a mucro.

1885 Q. Jrnl. Microsc. Sci. 25 42 The apices (or mucrones) of the shells.

1939 Bull. Torrey Bot. Club 6 116 The typical American form of this..species differs from the typical European form in the less strongly excurrent costa, which forms a shorter mucro.

1974 Kew Bull. 29 543 The alpine and paludal species [of giant lobelia] have leaves with no teeth, except a single ‘mucro’ at the apex.

1995 Florida Entomologist 78 180 Male pepper weevils possess metatibial mucrones which are larger and more strongly curved than those of females.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).

单词	mucro
释义	mucron. Brit. /ˈmjuːkrəʊ/, U.S. /ˈmjukroʊ/ Inflections: Plural mucrones Brit. /ˈmjuːkrəʊniːz/, U.S. /ˌmjuˈkroʊniz/, mucros. Origin: A borrowing from Latin. Etymon: Latin mucrō. Etymology: < classical Latin mucrō point, probably cognate with Byzantine Greek ἀμυκαλαί points of missiles (Hesychius), ancient Greek ἀμύσσειν to tear (see amyctic adj.).The -u- of classical Latin mucrō is of indeterminate length since the syllable is heavy. The -υ- of ancient Greek ἀμύσσειν is short. Biology. A pointed part of an organ or structure; (esp. in Zoology and Botany) a short, sharp, abrupt, terminal point or pointed process. ΘΚΠ the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > pointed projection tongue1398 jag1578 mucro1646 spur1681 rostruma1728 spicula1753 spikelet1851 lingula1856 mucronation1862 cusp1879 mucronule1890 the world > plants > part of plant > part defined by form or function > [noun] > pointed end mucro1744 cuspis1785 cusp1870 the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > general parts > short, stout, sharp-pointed part mucro1817 1646 Sir T. Browne Pseudodoxia Epidemica iv. ii. 181 The Mucro or point [of the heart]..inclineth unto the left. View more context for this quotation 1684 R. Boyle Exper. Porosity of Bodies v. 48 The motions of the Cone, as they call it, or Mucro of the Heart. 1744 J. Wilson Synopsis Brit. Plants Mucro, a sharp Point. 1817 W. Kirby & W. Spence Introd. Entomol. II. xxiii. 317 The..elastic beetles..perform this motion by means of a pectoral process or mucro. 1833 W. J. Hooker Brit. Flora II. i. 65 Bryum affine..lid conical with a mucro. 1885 Q. Jrnl. Microsc. Sci. 25 42 The apices (or mucrones) of the shells. 1939 Bull. Torrey Bot. Club 6 116 The typical American form of this..species differs from the typical European form in the less strongly excurrent costa, which forms a shorter mucro. 1974 Kew Bull. 29 543 The alpine and paludal species [of giant lobelia] have leaves with no teeth, except a single ‘mucro’ at the apex. 1995 Florida Entomologist 78 180 Male pepper weevils possess metatibial mucrones which are larger and more strongly curved than those of females. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1646
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