| 释义 |
serration|sɛˈreɪʃən|
[ad. mod.L. serrātiōnem, f. serrāre (see serrate v.).]
1. Surg. The operation of sawing. rare— 0.
1706Phillips (ed. Kersey).
2. The condition of being serrated; indentation like that of a saw; chiefly concr. and pl., saw-like indentations, the teeth of a serrated edge or surface.
1842Prichard Nat. Hist. Man 101 The serrations are found to result from a structure resembling a series of inverted cones, encircling a central stem. 1849D. J. Browne Amer. Poultry Yd. (1855) 38 The comb..is low, thick, destitute of serrations. 1851Ruskin Stones Ven. I. xiii. §8 The eye which has once been habituated to the continual serration of the pine forest. 1870Hooker Stud. Flora 122 Differing in pubescence and amount of double serration of the leaflets. 1872C. King Sierra Nevada vii. 141 Dim serrations of Coast Range loom indistinctly on the hazy air. 1897P. Warung Tales Old Regime 123 As the saw refused..to ‘bite’, and he had to withdraw it to feel, with his tongue, if the serration was still perfect. |