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discoid a. 铁饼状的,平圆形的 铁饼状的,平圆形的 discoid adj 1: having a flat circular shape [ synonym: { discoid}, { discoidal}, { disklike}, { disclike}, { disk- shaped}, { disc- shaped}] Discoid \ Dis" coid\, n. Anything having the form of a discus or disk; particularly, a discoid shell. [ 1913 Webster]
Discoid \ Dis" coid\, a. [ Gr. ? quoit- shaped, ? a round plate, quoit e' i^ dos form, shape: cf. F. disco[" i] de. See { Disk}.] Having the form of a disk, as those univalve shells which have the whorls in one plane, so as to form a disk, as the pearly nautilus. [ 1913 Webster] { Discoid flower} ( Bot.), a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower. [ 1913 Webster]
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