planiformadj.

Brit.

/ˈpleɪnᵻfɔːm/,

/ˈplanᵻfɔːm/, U.S.

/ˈpleɪnəˌfɔrm/,

/ˈplænəˌfɔrm/

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: plani- comb. form, -form comb. form².

Etymology: < plani- comb. form + -form comb. form², after French planiforme (1732 in the passage translated in quot. 1733); compare -iform comb. form. N.E.D.(1907) s.v. plani- gives only the pronunciation (plēⁱnifǭɹm) /ˈpleɪnɪfɔːm/.

Having a flat or flattened shape; (Anatomy, of a joint) arthrodial. Also figurative.

ΘΚΠ

the world > life > the body > structural parts > joint > types of joint > [adjective]

ginglymoid1668

arthrodial1703

squamous1712

planiform1733

sutural1826

synarthrodial1830

enarthrodial1836

ginglyform1847

cup and ball1854

amphiarthrodial1859

synostotic1864

synchondrosial1866

trochoidal1882

amphiarthrotic1956

the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Coleoptera or beetles and weevils > [adjective] > having flattened shape

planiform1858

1733 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body I. 14 The planiform Diarthrosis is when the articulated Bones slip upon one another, much in the same manner, as when we rub the Palm of one Hand against the other.

1780 S. F. Simmons Anat. Human Body i. iv. 191 Their [sc. the metacarpals'] articulation with the carpus, and with each other, is by the planiform or fourth species of diarthrosis.

1830 R. Knox tr. P. A. Béclard Elements Gen. Anat. 282 The close and planiform diarthrosis..is that in which the surfaces are superficial, the ligaments strong and tight, the motions obscure and confined to sliding.

1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 972/2 Planiformis, applied..to a Family..of the Coleoptera, comprehending those that have the body much depressed; flat-shaped: planiform.

1881 St. G. Mivart Cat 122 Such joints are termed Planiform or Arthrodia.

1965 Hispanic Hist. Rev. 45 505/1 The author's enthusiasm might seem sometimes to border on naiveté, but only for those who see a declining quality and decay in this type of art and architecture, as the planiform expression of the half-breed.

1992 Jrnl. Phycol. 28 160/1 The planiform morphotype..was characteristic of high tide levels and wave-sheltered stations.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	planiform
释义	planiformadj. Brit. /ˈpleɪnᵻfɔːm/, /ˈplanᵻfɔːm/, U.S. /ˈpleɪnəˌfɔrm/, /ˈplænəˌfɔrm/ Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: plani- comb. form, -form comb. form². Etymology: < plani- comb. form + -form comb. form², after French planiforme (1732 in the passage translated in quot. 1733); compare -iform comb. form. N.E.D.(1907) s.v. plani- gives only the pronunciation (plēⁱnifǭɹm) /ˈpleɪnɪfɔːm/. Having a flat or flattened shape; (Anatomy, of a joint) arthrodial. Also figurative. ΘΚΠ the world > life > the body > structural parts > joint > types of joint > [adjective] ginglymoid1668 arthrodial1703 squamous1712 planiform1733 sutural1826 synarthrodial1830 enarthrodial1836 ginglyform1847 cup and ball1854 amphiarthrodial1859 synostotic1864 synchondrosial1866 trochoidal1882 amphiarthrotic1956 the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Coleoptera or beetles and weevils > [adjective] > having flattened shape planiform1858 1733 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body I. 14 The planiform Diarthrosis is when the articulated Bones slip upon one another, much in the same manner, as when we rub the Palm of one Hand against the other. 1780 S. F. Simmons Anat. Human Body i. iv. 191 Their [sc. the metacarpals'] articulation with the carpus, and with each other, is by the planiform or fourth species of diarthrosis. 1830 R. Knox tr. P. A. Béclard Elements Gen. Anat. 282 The close and planiform diarthrosis..is that in which the surfaces are superficial, the ligaments strong and tight, the motions obscure and confined to sliding. 1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 972/2 Planiformis, applied..to a Family..of the Coleoptera, comprehending those that have the body much depressed; flat-shaped: planiform. 1881 St. G. Mivart Cat 122 Such joints are termed Planiform or Arthrodia. 1965 Hispanic Hist. Rev. 45 505/1 The author's enthusiasm might seem sometimes to border on naiveté, but only for those who see a declining quality and decay in this type of art and architecture, as the planiform expression of the half-breed. 1992 Jrnl. Phycol. 28 160/1 The planiform morphotype..was characteristic of high tide levels and wave-sheltered stations. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < adj.1733
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