mitrateadj.n.

Brit.

/ˈmʌɪtreɪt/, U.S.

/ˈmaɪˌtreɪt/

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

Etymology: < scientific Latin mitratus shaped like a mitre (1764 in zoology) < classical Latin mitra mitra n. + -ātus -ate suffix². Compare classical Latin mitrātus wearing a mitra, in post-classical Latin also wearing a (bishop's) mitre (from 12th cent.). In senses A. 2 and B. after scientific Latin Mitrata, order name (O. Jaekel 1921, in Paläontologische Zeitschr. 3 120).

A. adj.

1. Botany and Zoology. Having the shape of a mitre or bonnet; (spec. of the calyptra of a moss) conical, symmetrical, and having two or more slits. Cf. mitriform adj.

ΘΚΠ

the world > life > biology > physical aspects or shapes > shape > [adjective] > other shapes

plummet-like1605

semilunar1681

cordated1698

cordate1760

obcordate1775

club-shaped1776

flabelliform1777

obovate1785

button-shaped1791

clavate1803

placentiform?a1808

obovoid1819

valviform1819

constricted1826

vulviform1829

mitrate1836

bipenniform1842

sandaliform1848

scopiform1852

obclavate1856

obcordiform1857

oboval1857

utriform1860

broadsword-shaped1870

placentoid1885

hypsiloid1886

1836 J. C. Loudon Encycl. Plants (rev. ed.) 1014 Mitrula. So called from its mitrate form.

1848 E. Forbes Naked-eyed Medusæ 22 The umbrella is sub-cylindrical and mitrate.

1887 W. Phillips Man. Brit. Discomycetes 1 Receptacle..mitrate.

1900 Bull. Torrey Bot. Club 27 465 The suborder Mitrati was formed to include the genera with mitrate or clavate apothecia.

1946 Amer. Midland Naturalist 36 314 Calyptra mitrate and plicate.

1993 Bryologist 96 234/2 Cladopodanthus is identified by its frequently awned or cucullate leucobryaceous leaves, erect capsules, and mitrate nonfringed calyptrae.

2. Palaeontology. Of, relating to, or designating a fossil echinoderm of the order Mitrata (see sense B.).

ΚΠ

1952 Bull. Amer. Paleontol. 34 5 A new pattern of mitrate carpoid organization.

1963 Jrnl. Paleontol. 37 648 The mitrate Carpoidea to which the described genus belongs have so far only been known from the Ordovician.

1973 R. P. S. Jefferies in Philos. Trans. (Royal Soc.) B. 265 207 The parts derived from the mitrate head can be distinguished from those derived from the mitrate tail.

1975 Bull. Amer. Paleontol. 67 386 Its association with mitrate remains..affords evidence to support the conjectured origin of macheridians as appendages of the mitrate animal.

2000 Nature 19 Oct. 851/1 There are three interpretations of mitrate orientation.

B. n.

Palaeontology. Any member of the order Mitrata of fossil invertebrates of the Palaeozoic era, having a mitre- or leaf-shaped theca formed of calcite plates, generally regarded as atypical primitive echinoderms but sometimes interpreted as primitive chordates (calcichordates).

ΘΚΠ

the world > life > biology > organism > fossil > [noun] > types of

astroite1610

belemnite1646

mussel-stone1660

scallop-stone1668

trochite1676

conchite1677

ophiomorphite1677

pectinite1677

worm-stone1677

musculite1681

serpent-stone1681

sugar-plum1681

glossopetraa1684

ague shell1708

forket1708

mytilite1727

grit1748

phytolithus1761

fairy beads1767

fairy fingers1780

fairy arrow1794

gryphite1794

ram's horn1797

hysterolite1799

tubulite1799

thunder-pick1801

celleporite1808

ceraunite1814

seraph1822

serpulite1828

coprolite1829

subfossil1831

pencil1843

trigonellite1845

buccinite1852

rudist1855

guide fossil1867

witch's cradle1867

coccolith1868

fairy cheeses1869

discolith1871

Portland screw1871

spiniferite1872

cyatholith1875

cryptozoon1883

sabellite1889

palaeospecies1895

homoeomorph1898

rudistid1900

megafossil1932

scolecodont1933

macrofossil1937

hystrichosphere1955

palynomorph1961

acritarch1963

molecular fossil1965

mitrate1967

1967 R. P. S. Jefferies in Symposia Zool. Soc. London 20 164 The descent of chordates in general from cornutes and mitrates.

1980 R. Haude in M. Jangoux Echinoderms 25/1 A new mitrate from strata at the Lower/Middle Devonian boundary in Germany.

1989 Paleobiology 15 442/1 That most contentious of echinoderm groups, the stylophorans (the mitrates and cornutes also discussed by Jefferies and Holland).

2000 Nature 19 Oct. 851/1 The mitrates, living on the sea bed or just under it, seem to have been buried by a mudflow.

This entry has been updated (OED Third Edition, June 2002; most recently modified version published online March 2022).

单词	mitrate
释义	mitrateadj.n. Brit. /ˈmʌɪtreɪt/, U.S. /ˈmaɪˌtreɪt/ Origin: A borrowing from Latin. Etymon: Latin mitratus. Etymology: < scientific Latin mitratus shaped like a mitre (1764 in zoology) < classical Latin mitra mitra n. + -ātus -ate suffix². Compare classical Latin mitrātus wearing a mitra, in post-classical Latin also wearing a (bishop's) mitre (from 12th cent.). In senses A. 2 and B. after scientific Latin Mitrata, order name (O. Jaekel 1921, in Paläontologische Zeitschr. 3 120). A. adj. 1. Botany and Zoology. Having the shape of a mitre or bonnet; (spec. of the calyptra of a moss) conical, symmetrical, and having two or more slits. Cf. mitriform adj. ΘΚΠ the world > life > biology > physical aspects or shapes > shape > [adjective] > other shapes plummet-like1605 semilunar1681 cordated1698 cordate1760 obcordate1775 club-shaped1776 flabelliform1777 obovate1785 button-shaped1791 clavate1803 placentiform?a1808 obovoid1819 valviform1819 constricted1826 vulviform1829 mitrate1836 bipenniform1842 sandaliform1848 scopiform1852 obclavate1856 obcordiform1857 oboval1857 utriform1860 broadsword-shaped1870 placentoid1885 hypsiloid1886 1836 J. C. Loudon Encycl. Plants (rev. ed.) 1014 Mitrula. So called from its mitrate form. 1848 E. Forbes Naked-eyed Medusæ 22 The umbrella is sub-cylindrical and mitrate. 1887 W. Phillips Man. Brit. Discomycetes 1 Receptacle..mitrate. 1900 Bull. Torrey Bot. Club 27 465 The suborder Mitrati was formed to include the genera with mitrate or clavate apothecia. 1946 Amer. Midland Naturalist 36 314 Calyptra mitrate and plicate. 1993 Bryologist 96 234/2 Cladopodanthus is identified by its frequently awned or cucullate leucobryaceous leaves, erect capsules, and mitrate nonfringed calyptrae. 2. Palaeontology. Of, relating to, or designating a fossil echinoderm of the order Mitrata (see sense B.). ΚΠ 1952 Bull. Amer. Paleontol. 34 5 A new pattern of mitrate carpoid organization. 1963 Jrnl. Paleontol. 37 648 The mitrate Carpoidea to which the described genus belongs have so far only been known from the Ordovician. 1973 R. P. S. Jefferies in Philos. Trans. (Royal Soc.) B. 265 207 The parts derived from the mitrate head can be distinguished from those derived from the mitrate tail. 1975 Bull. Amer. Paleontol. 67 386 Its association with mitrate remains..affords evidence to support the conjectured origin of macheridians as appendages of the mitrate animal. 2000 Nature 19 Oct. 851/1 There are three interpretations of mitrate orientation. B. n. Palaeontology. Any member of the order Mitrata of fossil invertebrates of the Palaeozoic era, having a mitre- or leaf-shaped theca formed of calcite plates, generally regarded as atypical primitive echinoderms but sometimes interpreted as primitive chordates (calcichordates). ΘΚΠ the world > life > biology > organism > fossil > [noun] > types of astroite1610 belemnite1646 mussel-stone1660 scallop-stone1668 trochite1676 conchite1677 ophiomorphite1677 pectinite1677 worm-stone1677 musculite1681 serpent-stone1681 sugar-plum1681 glossopetraa1684 ague shell1708 forket1708 mytilite1727 grit1748 phytolithus1761 fairy beads1767 fairy fingers1780 fairy arrow1794 gryphite1794 ram's horn1797 hysterolite1799 tubulite1799 thunder-pick1801 celleporite1808 ceraunite1814 seraph1822 serpulite1828 coprolite1829 subfossil1831 pencil1843 trigonellite1845 buccinite1852 rudist1855 guide fossil1867 witch's cradle1867 coccolith1868 fairy cheeses1869 discolith1871 Portland screw1871 spiniferite1872 cyatholith1875 cryptozoon1883 sabellite1889 palaeospecies1895 homoeomorph1898 rudistid1900 megafossil1932 scolecodont1933 macrofossil1937 hystrichosphere1955 palynomorph1961 acritarch1963 molecular fossil1965 mitrate1967 1967 R. P. S. Jefferies in Symposia Zool. Soc. London 20 164 The descent of chordates in general from cornutes and mitrates. 1980 R. Haude in M. Jangoux Echinoderms 25/1 A new mitrate from strata at the Lower/Middle Devonian boundary in Germany. 1989 Paleobiology 15 442/1 That most contentious of echinoderm groups, the stylophorans (the mitrates and cornutes also discussed by Jefferies and Holland). 2000 Nature 19 Oct. 851/1 The mitrates, living on the sea bed or just under it, seem to have been buried by a mudflow. This entry has been updated (OED Third Edition, June 2002; most recently modified version published online March 2022). < adj.n.1836
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