| 释义 |
▪ I. crenate, n. Chem.|ˈkriːnət|
[f. cren-ic + -ate4.]
A salt of crenic acid.
1838T. Thomson Chem. Org. Bodies 152 Crenate of manganese. 1863–72Watts Dict. Chem. II. 103 The apocrenates of the alkalis resemble the crenates, excepting that they are black.
So ˈcrenated a.
1838T. Thomson Chem. Org. Bodies 152 Crenated peroxide of iron. Obtained when crenic acid is mixed with a neutral sulphated peroxide or chloride of iron.
▪ II. crenate, a. Bot., Zool., etc.|ˈkriːneɪt|
[ad. mod.L. crēnātus, f. crena. Junius Nomenclator 1577 has ‘Folium crenatum, pinnatum, feuille crenée’.]
Having the edge notched or toothed with rounded teeth; finely scalloped.
1794Martyn Rousseau's Bot. xxii. 307 Cat-mint has the middle division of the lower lip [of the corolla] crenate. 1836Todd Cycl. Anat. I. 711/2 When these projections and notches are very fine, the shell is said to be crenate. 1870Bentley Bot. 152 When the teeth are rounded the leaf is crenate.
b. In comb. = crenato-.
1870Hooker Stud. Flora 129 Leaves..crenate-dentate. Ibid. 330 Leaves..shining, crenate-serrate, ciliate.
Hence ˈcrenately adv.
1864T. Moore Brit. Ferns 47 Lobes of the pinnæ..with..a crenately toothed margin.
▪ III. ˈcrenate, v. rare.
[f. crenate a.: cf. 16th c. F. créner.]
To produce crenations; to ‘mill’ the edge of (coin).
1868E. Seyd Bullion 279 The stamping and crenating are done at one stroke. |