† aˈpertion Obs.
[ad. L. apertiōn-em, n. of action f. aperīre to open: see aperient.]
1. The action of opening.
| 1615 Crooke Body of Man 379 Anastomosis or inoculation or apertion and opening of two vessels one into another. 1743 tr. Heister's Surg. 353 The Apertion of an Artery with a sharp Instrument. |
2. An opening, an aperture.
| 1599 A. M. Gabelhouer's Bk. Physic 12/1 Make a little apertion in the one end of the Egge, and let the water runne therout. 1624 Wotton Archit. in Reliq. (1672) 17 Apertions, under which term I do comprehend Doors, windows..or other Conducts. 1684 tr. Bonet's Merc. Compit. i. 4 You may make the apertion as long and deep as the malady and your curiosity require. |
3. Openness (in sound). Cf. apert 1 b. rare.
| 1668 Wilkins Real Char. i. iv. §5. 17 The Vowels ought to haue something answerable in their Character unto the several kinds of Apertion which they haue in their sound. |