单词 | ultrathin |
释义 | ultraˈthin, a. Also ultra-thin. [f. ultra- 3 + thin a.] Extremely thin; spec. in Biol., applied to a section cut with an ultramicrotome.
1949Science 15 July 68/2 The new technique provides an inexpensive, practical method for producing ultrathin sections of tissue in almost a routine fashion. 1961Technology Feb. 52/4 Fabrics treated with an ultrathin coating of a polyamide..are said to retain the soft texture of wool, and yet may be washed repeatedly without shrinking. 1962Sci. Survey III. 164 These ultra⁓thin sections are today about 250 times thinner than the conventional sections used in light microscopy. 1969New Scientist 16 Oct. 131/2 The new ultrathin transistor is particularly important for uhf applications. 1976Ann. Rev. Microbiol. XXX. 116 (caption) Ultrathin section of cell from a diseased mushroom. |

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