Poise
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GRE Barron
目录 |
[编辑] 解释
[编辑] GRE 红宝书
- v. 使相等, 使平衡; n. 泰然自若, 信心
- [英] v. 使相等, 使平衡 ( to hold in equilibrium) ; n. 泰然自若, 信心 ( easy self-possessed assurance of manner)
- [例] He is cool and poised. ( 他冷静沉着)
[编辑] Webster Collegiate
I. verb (poised; poising)
- Etymology: Middle English, to weigh, ponder, from Anglo-French peiser, poiser, from Latin pensare — more at pensive
- Date: 1598
- transitive verb
- 1.
- a. balance; especially to hold or carry in equilibrium <carried a water jar poised on her head>
- b. to hold supported or suspended without motion in a steady position <poised her fork and gave her guest a knowing look — Louis Bromfield>
- 2. to hold or carry (the head) in a particular way
- 3. to put into readiness ; brace
- 1.
- intransitive verb
- 1. to become drawn up into readiness
- 2. hover
II. noun
- Etymology: Middle English poyse weight, heaviness, from Anglo-French peis, pois, from Latin pensum, from neuter of pensus, past participle of pendere to weigh — more at pendant
- Date: 1649
- 1. a stably balanced state ; equilibrium <a poise between widely divergent impulses — F. R. Leavis>
- 2.
- Synonyms: see tact
III. noun
- Etymology: French, from Jean Louis Marie Poiseuille died 1869 French physician and anatomist
- Date: 1913
- a centimeter-gram-second unit of viscosity equal to the viscosity of a fluid that would require a shearing force of one dyne to impart to a one-square-centimeter area of an arbitrary layer of the fluid a velocity of one centimeter per second relative to another layer separated from the first by a distance of one centimeter