释义 |
plani-|pleɪnɪ| combining form of L. plānus level, flat, smooth, used chiefly in scientific terms. planicaudate |-ˈkɔːdət| a. Zool. [L. cauda tail], having a flat tail, as certain reptiles (Mayne Expos. Lex. 1858). planicipital |-ˈsɪpɪtəl| a. Zool. [L. caput head: cf. occipital, etc.], having a flat head, as an insect; flat-headed. planidorsate |-ˈdɔːsət| a. Zool. [L. dorsum back], having a flat back (Cent. Dict.). † planiˈfolious a. Bot. Obs. [L. folium leaf], having or consisting of flat leaves; applied to composite flowers consisting wholly of ligulate florets. planiform |ˈpleɪnɪfɔːm| a., having a flattened shape; spec. in Anat. said of a joint in which the surfaces of the bones are nearly or quite plane (= arthrodial). † plaˈniloquent a. Obs. rare—0 [after L. plāniloquus (Plautus)], plain-speaking; so † plaˈniloquy Obs. rare—1, plain speaking. planipennate |pleɪnɪˈpɛnət| a. Zool. [L. pennātus winged], (a) having flat wings; (b) spec. in Entom. belonging to the suborder Planipennia of neuropterous insects, characterized by flat wings not folded when at rest; so planipennine |-ˈpɛnaɪn|, a. = planipennate (b); n. a planipennine insect. planipetalous |-ˈpɛtələs| a. Bot., having flat petals. planirostral |-ˈrɒstrəl|, planirostrate |-ˈrɒstrət|, adjs. [L. rostrum beak], having a broad flat beak. planispiral |-ˈspaɪərəl| a., of a flat spiral form: applied to the proboscis of lepidopterous insects, and to certain shells, as in the genus Planorbis.
1686Phil. Trans. XVI. 285 Those that have a perfect *planifolious Flower. 1727–41Chambers Cycl. s.v. Flower, Planifolious Flowers, those which are composed of plain Flowers, set together in circular rows, round the center, and whose face is usually indented, notched, uneven, and jagged.
1830R. Knox Béclard's 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. 1858Mayne Expos. Lex., Planiformis, applied..to a Family..of the Coleoptera, comprehending those that have the body much depressed; flat-shaped: planiform. 1881Mivart Cat 122 Such joints are termed Planiform or Arthrodia.
1656Blount Glossogr., *Planiloquent.., that speaks his mind plainly and freely.
1658Phillips, *Planiloquy, (lat.) plain, and free speech. 1783Lemon Eng. Etymol. s.v. Haunch, Such planiloquy is fit only for the large, open, yawning mouth of a Dutchman.
1858Mayne Expos. Lex., Planipennis,..having flat wings: *planipennate.
1730–6Bailey (folio), *Planipetalous Flower.., flat leaved, as when these small flowers are hollow only at the bottom, but are flat upwards, as in Dandelion, Succory, &c.
1895Syd. Soc. Lex., *Planirostral, having a flat beak.
1858Mayne Expos. Lex., Planirostris, having the beak or the snout flat: *planirostrate.
1895Syd. Soc. Lex., *Planispiral, spiral, with the coils lying..in one plane. 1945M. F. Glaessner Princ. Micropalaeont. iv. 69 Perfectly planispiral coiling produces bilaterally symmetrical tests. 1975Nature 3 Apr. 419/1 Sinistral..and planispiral..coiling are uncommon among gastropods. |