| 释义 |
protuberance|prəʊˈtjuːbərəns|
[f. protuberant: see -ance. So F. protubérance (1738 in Hatz.-Darm.).]
1. The fact or condition of being protuberant; bulging out or projecting in a rounded form.
1681tr. Willis' Rem. Med. Wks. Vocab., Protuberance, a bunching forth above the rest. 1756–82J. Warton Ess. Pope (ed. 4) I. vii. 361 The firmness and protuberance of the Muscles in each limb. 1836Random Recoll. Ho. Lords xiv. 342 His eyes have a sunken appearance, owing to the protuberance of his eye-brows. 1874Imperial Gazetteer s.v. Australia, The whole figure..very well proportioned, but frequently marred by the protuberance of the abdomen.
2. a. That which is protuberant; a rounded prominence, projection, or swelling; a knob, a bump.
1646Sir T. Browne Pseud. Ep. iii. xix. 154 A cartilagineous substance without any spondyles, processes, or protuberance whatsoever. 1658― Gard. Cyrus iii. 47 The Rhomboidal protuberances in Pineapples maintaining this Quincuncial order unto each other. 1794S. Williams Vermont 82 Under the throat there is a fleshy protuberance. 1859W. S. Coleman Woodlands (1866) 106 On the leaf of the Poplar..large reddish-coloured protuberances.
b. solar protuberance = solar prominence (2 b).
1869Jrnl. Franklin Inst. LVII. 317 The first protuberance which I observed, is represented by Fig. 1. Above an intensely luminous peak-shaped mass, rising from the border of the sun, is spread a cloud-like formation. 1874tr. Lommel's Light 167 The so-called protuberances afforded an instant and crucial test of the truth of Kirchhoff's hypothesis. 1907Daily News 25 Dec. 4 Janssen was in the Malay Peninsula making his observations of the solar ‘protuberances’, otherwise masses of blazing hydrogen.
Add:¶3. With spelling protruberance, prob. influenced by protrude.
1978Jrnl. S. Afr. Vet. Assoc. XLIX. 62/2 Specimens of the..internal occipital protruberance were taken for histopathological examination. 1985Canad. Jrnl. Microbiol. XXXI. 698/2 Close inspection of many cells revealed that protruberances and germ tubes emanated from all aspects of the cell surface... Protruberances were extensions of the cytoplasm. |