| 单词 |
microtome |
| 释义 |
▪ I. microtome, n.|ˈmaɪkrətəʊm|
[f. Gr. µῑκρό-ς small + -τόµος that cuts, f. τοµ-, τεµ-, root of τέµνειν to cut.]
An instrument for cutting extremely thin sections for microscopic work.
1856Carpenter Microsc. & Rev. 211 The ‘microtome’ of M. Strauss-Durckheim. 1864in Webster. 1875H. G. Bird in Q. Jrnl. Microsc. Sci. XV. 24 If placed dry in a rigid tube, as that of the microtome..the addition of..water will..cause the pith-cells to expand.
Hence microˈtomic, microˈtomical adjs., relating to the use of the microtome. miˈcrotomist, one expert in the use of the microtome. miˈcrotomy, the scientific use of the microtome.
1885Lee (title) The Microtomist's Vade-Mecum. 1887Amer. Naturalist XXI. 1130 The development of microtomical technique has made it a comparatively easy matter.
▪ II. ˈmicrotome, v.
[f. the n.]
trans. To cut in sections with a microtome. So ˈmicrotomed ppl. a.
1893Brit. Med. Jrnl. 23 Sept. 685/2 The divided roots were microtomed and examined in serial sections. 1898Phil. Trans. R. Soc. B. CXC. 95 The following nerves of muscles were microtomed for detection of some fibres. 1972Physics Bull. Nov. 668/1 Evidence for twisting fibrils has also been obtained from transmission electron micrographs of microtomed specimens. |
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