| 释义 |
▪ I. tung|tʌŋ|
[a. Chinese tóng.]
1. a. Any of three trees of the genus Aleurites or Vernicia (family Euphorbiaceæ), A. fordii, A. cordata, and A. montana, which are native to China and Japan and are cultivated there and elsewhere for the oil from their seeds. So tung tree.
1889Cent. Dict., Tung-tree. 1914N. Shaw Chinese Forest Trees i. ii. 70 Tallow, tea-oil trees, and tung grow wild in these hills. 1921Outward Bound Jan. 42/1 The tung tree was the abode of the phoenix. 1959E. Pound Thrones xcix. 52 Phoenix to t'ung tree A mirrour to flowers, as water is to the moon. 1965J. Ch'ên Mao & Chinese Revolution (1967) i. vii. 138 The mountains are covered..with t'ung-trees. 1974Tropical Agriculture LI. 10 This series of trials has shown that nitrogen is the most important nutrient for tung in Malawi.
b. The oil extracted from seeds of the tung tree, used chiefly in the manufacture of inks, paints, and varnishes; = wood-oil (c).
1911Encycl. Brit. XX. 46/1 (table) Name of oil... Tung. 1950Caribbean Q. I. iii. 42 A trial should be made with a settlement of 200 families, beginning with pigs and poultry and proceeding to tree crops (coffee, cocoa, citrus, tung). 1962H. G. Champion Streets's Exotic Forest Trees Brit. Commonw. II. 173 The oil [of Aleurites montana] is known commercially as Tung.
2. attrib., as tung nut; tung oil, a drying oil obtained from the seeds of tung trees and used in varnishes, paints, and inks; so tung oil tree; cf. wood-oil.
1937R. Frost Let. 5 Jan. (1964) 287 We will probably end our days growing *Tung nuts in northern Florida.
1881*Tung-oil [see wood-oil]. 1913E. H. Wilson Naturalist in W. China II. vii. 64 ‘T'ung Oil tree’..produces this valuable oil. 1937A. F. Hill Econ. Bot. ix. 213 The United States uses so much tung oil that trees of the latter species have been introduced. 1951R. Mayer Artist's Handbk. iii. 112 Tung Oil..is highly valued as an ingredient of industrial paints and varnishes. 1972Guardian 16 Feb. 15/3 American businessmen..are confronted with increasing difficulties in obtaining soya beans, bristles, tung-oil and egg products from China. 1973Times 21 Mar. (China Trade Suppl.) p. xiv/5 Huge tracts of hillside had only recently been terraced for planting with..tung oil trees.
Also tung-yu [Chinese yóu oil], tung oil.
1788tr. Groiser's Gen. Descr. China I. iv. vi. 449 The work is..daubed over with a kind of oil, which the Chinese call tong-yeou. 1913E. H. Wilson Naturalist in W. China II. vii. 66 ‘T'ung-yu’ is the chief paint oil throughout the Chinese Empire. 1973T. R. Tregear Chinese iv. 89 The Yangtze valley is noted for its production of..tung yu (wood oil), which forms the basis of paints and varnish.
▪ II. tung
see tunc.
▪ III. tung, tunge
obs. ff. tongue. |