| 释义 |
segmented, ppl. a.|ˈsɛgməntɪd, sɛgˈmɛntɪd|
[f. segment v. + -ed1.]
1. a. Anat., Zool., etc. Consisting of segments or similar parts arranged in a longitudinal series.
1854Owen in Orr's Circ. Sci., Org. Nat. I. 176 In the cod⁓fish..it forms no part of the segmented neuroskeleton. 1870Rolleston Anim. Life Introd. 124 The segmented Vermes.
b. Bot. Of a leaf: Divided into segments or lobes.
1883G. Allen in Nature 15 Mar. 466 The divided but more broadly segmented leaves of those tall open-field species, cow-parsnip..and Alexanders.
2. Embryol. Of an ovum, a cell: Divided or split up by segmentation into cells.
1875Encycl. Brit. III. 682/2 [Biology.] In the segmented body, the segments may or may not give rise to symmetrically or asymmetrically disposed processes. 1877Huxley & Martin Elem. Biol. 106 The segmented ovum: composed of a large number of small cells.
3. Archæol. Of a prehistoric gallery (grave): divided into sections or segments; having compartments.
1920Glasgow Herald 9 Mar. 9 Vestiges of a segmented central gallery were disclosed. 1939V. G. Childe Dawn Europ. Civilization (ed. 3) xii. 206 On the slopes of the Pyrenees, [etc.]..gallery graves are divided into a series of intercommunicating compartments by low, transverse slabs... Such tombs are known as segmented cists. 1954S. Piggott Neolithic Cultures vi. 160 In the typical form of ‘segmented gallery’ a number of such slabs divide the chamber into a series of compartments.
4. gen.
1950Sci. News XV. Pl. 5 (caption) The segmented appearance of the flame is due to the shock wave which is formed in the jet as it leaves the nozzle. 1967Jane's Surface Skimmer Systems 1967–68 59/2 The pockets, based on the segmented skirts of a hovercraft, form a seal around the body. |