| 释义 |
granular, a.|ˈgrænjʊlə(r)|
[f. late L. grānulum, dim. of grānum grain n.1 + -ar.]
1. a. Consisting of grains or granules; existing in the condition of grains or granules.
1794Sullivan View Nat. I. 493 Mountains, which consist of lime stone or marble of a granular or scaly texture. 1826Henry Elem. Chem. I. 480 Steel is granular. 1831Brewster Nat. Magic xiii. (1833) 339 The fluid..leaves behind it a sort of granular residue. 1841Brande Chem. 682 Massive and granular gypsum is found in this country in the red marl or new red sandstone accompanying the salt-deposits in Cheshire. 1868Daily Tel. 15 July, Dynamite..is a solid granular explosive. 1897Allbutt's Syst. Med. II. 935 To these granular zinc or finely divided copper is added.
b. granular pearlite Metallurgy, a constituent of carbon steels produced by the disintegration of plates of pearlite into ferrite and spheres of cementite; divorced pearlite.
1910C. H. Desch Metallogr. xvii. 372 The cementite forms granular masses or oval globules, surrounded by areas of ferrite. This granular pearlite may be of all degrees of coarseness. 1958A. D. Merriman Dict. Metallurgy 115/1 Granular pearlite, a structure produced when pearlite steels are annealed for long periods at temperatures below, but approximating to, the lower critical point.
2. Having a granulated surface or structure. Path. Of diseased structures, diseases: = granulated 3.
1833Sir C. Bell Hand (1834) 210 On the [foot] pads or cushions of the cat, the cuticle is rough and granular. 1874G. Lawson Dis. Eye 13 There is..one form of granular lids produced by vesicular granulations. 1875H. C. Wood Therap. (1879) 374 A widespread granular or fatty degeneration of the tissues. 1878T. Bryant Pract. Surg. I. 292 Granular ophthalmia. 1879G. C. Harlan Eyesight v. 54 It [catarrhal ophthalmia]..may..end in the condition known as granular lids. 1897Allbutt's Syst. Med. IV. 373 Most frequently the granular kidney comes on insidiously with no early symptoms.
3. Of the nature of a granule or granules.
1834McMurtrie Cuvier's Anim. Kingd. 177 Their [geckos'] skin is studded above with very small granular scales. 1867J. Hogg Microsc. i. ii. 67 The granular particles seen among the pollen grains of plants. 1870Rolleston Anim. Life 128 A series of raised granular but minute tubercles.
Hence granuˈlarity, granular condition or quality. ˈgranularly adv.
1882Vines Sachs' Bot. 520 The apical cells of these internal rows are distinguished by their size and by the granularity of their protoplasm. 1894Brit. Jrnl. Photogr. XLI. 24 Its surface being free from granularity or roughness. |