单词 |
pivotable |
释义 |
pivotable, a.|ˈpɪvətəb(ə)l| [f. pivot v. + -able.] Capable of being turned as if on a pivot. So pivotaˈbility, the extent to which an object can be so turned (in quots., as a measure of angularity).
1961Jrnl. Sedimentary Petrol. XXXI. 198/1 A somewhat modified version of Powers' scale was adopted by the writers. In this scale the idea of ‘pivotability’ was given paramount importance so that the grains which could be most easily pivoted were given the highest values. 1967Jane's Surface Skimmer Systems 1967–68 83/2 The result is a simple and reliable lift control, which requires neither electric or hydraulic power sources, nor pivotable foils or flaps. 1971W. A. Pryor in R. E. Carver Procedures Sedimentary Petrol. vii. 143 Pivotability or rollability is a measure of the motion response of a grain to a set of standard physical conditions in a gravity-driven system. |

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