|
momentum 音标拼音: [mom'ɛntəm] n. 动力,要素 动力,要素 momentum动量 momentum n 1: an impelling force or strength; " the car' s momentum carried it off the road" [ synonym: { momentum}, { impulse}] 2: the product of a body' s mass and its velocity; " the momentum of the particles was deduced from meteoritic velocities" Momentum \ Mo* men" tum\, n.; pl. L. { Momenta}, F. { Momentums}. [ L. See { Moment}.] 1. ( Mech.) The quantity of motion in a moving body, being always proportioned to the quantity of matter multiplied by the velocity; impetus. [ 1913 Webster] 2. Essential element, or constituent element. [ 1913 Webster] I shall state the several momenta of the distinction in separate propositions. -- Sir W. Hamilton. [ 1913 Webster] 3. A property of an activity or course of events, viewed as analogous to forward motion or to physical momentum ( def. 1), such that the activity is believed to be able to continue moving forward without further application of force or effort; -- often used to describe an increase in the acquisition of public support for a purpose; as, as, the petition drive gained momentum when it was mentioned in the newspapers. [ PJC] 22 Moby Thesaurus words for " momentum": clout, compulsion, drive, driving force, energy, force, impellent, impelling force, impetus, impulse, impulsion, incentive, incitement, inertia, irresistible force, moment, motive power, power, propulsion, push, strength, thrust
|
安装中文字典英文字典查询工具!
中文字典英文字典工具:
英文字典中文字典相关资料:
|