| 释义 |
controllable, a.|kənˈtrəʊləb(ə)l|
[f. control v. + -able.]
1. a. Capable of being controlled or restrained.
a1600Hooker Eccl. Pol. vii. v. §2 They were all controllable by the Apostles. 1751Johnson Rambler No. 159 ⁋8 It is to suppose custom instantaneously controllable by reason. 1871Member for Paris I. 231 The voice of the speaker..gathered firmness and became controllable. 1883Times 23 Jan. 3/4 The ‘controllable’ [torpedoes]..capable of being directed by the operator.
†b. Liable to check or stoppage.
†c. Open to challenge; cf. control v. 3. Obs.
1576Fleming Panopl. Epist. 3 If your friendship be fervent, & your kindnesse not controulable. 1646Sir T. Browne Pseud. Ep. i. vi. 21 Things of falsitie, controulable..by criticall and collective reason.
†d. Liable to be overruled. Obs.
1647May Hist. Parl. ii. iv. 69 Under the Great Seal, which is the king's greatest and highest command, and not controllable, nor to be dispensed with.
2. Comb., as controllable-pitch airscrew or propeller, a propeller the blades of which can be changed to certain predetermined pitches when rotating.
1936Aeroplane 1 July 21/1 Air-cooled motors, and..controllable-pitch airscrews, drive all the bombers. 1938Encycl. Brit. Bk. of Yr. 79/2 The two-position controllable pitch airscrew is now being superseded by the constant-speed variety which eliminates adjustments by the pilot. |