英语词汇“spherule”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

spherule

释义

spherule|ˈsfɛr(j)uːl|
Also 8 sphærule.
[ad. L. sphēr-, sphærula, dim. of sphæra sphere n. Cf. F. sphérule.]
1. A little sphere; a small or minute spherical or globular body.
1665Hooke Microgr. 85 A Spherule or Globe.1713Derham Phys.-Theol. 79 note, The Particles of Water thus mounted up by the Heat, are visibly Sphærules of Water, if viewed with a Microscope.1752Phil. Trans. XLVII. 457 Each..was composed of ten or twelve angular and chrystalline spherules.1813T. Busby Lucretius II. vi. Comm. p. vii, The density of the spherules is less and less as the parts recede from the centre.1852Dana Crust. i. 642 Minute, ruby-red spherules.1875M. Collins Sweet & Twenty i. x, A fountain..throwing its showers of perennial spherules into the air untiringly.
attrib.c1790J. Imison Sch. Arts I. 215 In using these spherule microscopes, the objects are to be placed in one focus, and the eye in the other.
2. Bot. ‘A globose peridium, with a central opening, through which sporidia are emitted’ (Lindley).
1796Withering Brit. Plants (ed. 3) IV. 391 Spherules in heaps, but not confluent, globular, very small.
3. Special Comb. spherule cell Ent., a kind of cell in the hæmolymph of certain insects (see quot. 1969).
1935R. E. Snodgrass Princ. Insect Morphol. xiv. 394 The spherule cells of caterpillars differ in many ways from those of Coleoptera, but they appear to be cells of the same type.1969R. F. Chapman Insects xxxiii. 677 Spherule cells, found in Lepidoptera and Diptera, are round or oval cells with large, non-refringent, usually acidophilic inclusions filling the whole cell.1974[see œnocytoid s.v. œno-].

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