| 释义 |
incisive, a. (n.)|ɪnˈsaɪsɪv|
Also 6 (erron.) inscisive.
[ad. med.L. incīsīv-us, f. incīs- (see incise v.) + -ive: cf. F. incisif, -ive (13–14th c. in Hatz.-Darm.).]
1. Having the quality of incising or cutting into something; cutting, penetrating with a sharp edge.
1597A. M. tr. Guillemeau's Fr. Chirurg. 14 b/2 Inscisive or cuttinge pinser or tonges, to cutt of any splinters of bone. 1767Gooch Treat. Wounds I. 155 Take off the points of the needles or pins with incisive pincers. 1883Harper's Mag. Nov. 824/2 The wet sand..is fed into the opening, and..produces an incisive friction.
2. Anat. Applied to the incisor teeth (F. dents incisives; see incisor); and hence to parts or structures connected with these, as the incisive bones = the premaxillary bones.
1804Med. Jrnl. XII. 549 In the first..the canine and incisive teeth, and in the latter the incisives only, perform the most essential part of mastication. 1842E. Wilson Anat. Vade M. 34 Beneath the nasal spine, and above the two superior incisor teeth, is a slight depression, the incisive or myrtiform fossa. 1847Ansted Anc. World xv. 355 The incisive teeth and the extremities of the jaws.
†3. Sharp or keen in physical qualities or effects; cutting, piercing; in old Med. and Phys., having the quality of ‘cutting’ or loosening viscid humours (see incide v.1 2). Obs.
1528Paynel Salerne's Regim. P iv, Whey..is incisiue or subtile. 1603Holland Plutarch's Mor. 1187 Now this aire by..incisive qualitie thereof, piercing in to the brasse..forceth out of it a deale of rust. 1694Salmon Bate's Dispens. (1713) 118/1 The Acid being alone, becomes incisive, and pricks the Nervi Gustantes by their Points.
4. fig. Sharp or keen in mental qualities; producing a highly clear and impressive mental effect; penetrating, acute, trenchant.
a1850Marg. Fuller At Home & Abr. (1860) 239 Their talk is..picturesque and what the French call incisive. 1854Emerson Lett. & Soc. Aims, Poet. & Imag. Wks. (Bohn) III. 162 An idea steeped in verse becomes suddenly more incisive and more brilliant. 1856Mrs. Browning Aur. Leigh ii. 709 Her incisive smile. 1866G. Macdonald Ann. Q. Neighb. iii. (1878) 30 She said this in an incisive tone. 1880Times 27 Dec. 7/1 Lord Grey always writes in an incisive and pungent style.
B. n.
†1. Med. An ‘incisive’ drug: see A. 3. Obs.
1726Leoni Alberti's Archit. II. 107/2 Physicians, for the cure of..Fevers, order the use of the juice of squills and of incisives.
2. Anat. An incisor tooth.
1804[see A. 2].
b. Entom. ‘The incisive edge of the mandible of a beetle’ (Cent. Dict.). |