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Protrusion   Listen
Protrusion  n.  
The act of protruding or thrusting forward, or beyond the usual limit.
The state of being protruded, or thrust forward.

Collaborative International Dictionary of English 0.48

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"Protrusion" Quotes from Famous Books

... the brown spot is also visible, but it will be seen to be covered with a very faint white bloom, due to the growth of the fungus from the microscopic openings or "stomata," which exist in large numbers on the under surface of most green leaves. The microscope shows this "bloom" to be due to the protrusion of the fungus in the manner stated, and on the free ends of the minute branches are developed tiny egg shaped vessels, called "conidia," in which are developed countless "spores," each one of which is theoretically capable of infecting ...
— Scientific American Supplement, No. 595, May 28, 1887 • Various

... place may also be noticed those instances wherein the placenta elongates so much that the pericarp becomes ruptured to allow of the protrusion of the placenta, although this prolongation is not attended by the formation of new buds. Cases of this kind occurring in Melastoma and Solanum have been put on record by M. Alph. de Candolle.[126] This is a change analogous with that which occurs in some ...
— Vegetable Teratology - An Account of the Principal Deviations from the Usual Construction of Plants • Maxwell T. Masters

... only effect perceptible on either, was the opening of their eyes, a slight protrusion of the neck, a shake of the head, an upraising of the long beak, with a quick clattering of its mandibles—which soon becoming closed again, were permitted to drop into ...
— The Cliff Climbers - A Sequel to "The Plant Hunters" • Captain Mayne Reid

... base of the skull and one obliquely vertical touching the teeth and most prominent portion of the forehead. Now this angle is in man very large—from seventy-five to eighty-five degrees, or even more, and rarely falling below sixty-five degrees. But this angle depends largely on the protrusion of the jaws, and varies greatly in species of animals showing much the same grade of intelligence. In some not especially intelligent South American monkeys the facial angle amounts to about sixty-five degrees. In this ...
— The Whence and the Whither of Man • John Mason Tyler

... three rather old seedlings, about 1 inch in height, shortly before the protrusion of the leaves, were first traced. They were illuminated exclusively from above; for, as will hereafter be shown, they are excessively sensitive to the * We are indebted to the Rev. G. Henslow for an abstract of the views which have been held on this subject, together with references. ...
— The Power of Movement in Plants • Charles Darwin

Words linked to "Protrusion" :   excrescence, snag, gibbosity, frontal eminence, wart, mogul, protuberance, extrusion, bulge, nubble, swelling, jut, gibbousness, prominence, occipital protuberance, change of shape, nub, protrude, hump, caput, bump, projection

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