单词 | involute |
释义 | involute —involutely, adv. adj. , n. /in"veuh looht'/; v. /in'veuh looht", in"veuh looht'/, adj., n., v., involuted, involuting. adj. 1. intricate; complex. 2. curled or curved inward or spirally. 3. Bot. rolled inward from the edge, as a leaf. 4. Zool. (of shells) having the whorls closely wound. n. 5. Geom. any curve of which a given curve is the evolute. v.i. 6. to roll or curl up; become involute. 7. to return to a normal shape, size, or state. [1655-65; < L involutus (ptp. of involvere to roll up, wrap, cover), equiv. to in- IN-2 + volu- (var. s. of volvere to roll) + -tus ptp. suffix; cf. INVOLVE] |
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