| 单词 | plane |
| 释义 | plane 1. n., adj., & v. --n 1. a a flat surface on which a straight line joining any two points on it would wholly lie. b an imaginary flat surface through or joining etc. material objects. 2. a level surface. 3. colloq. = AEROPLANE. 4. a flat surface producing lift by the action of air or water over and under it (usu. in comb.: hydroplane). 5. (often foll. by of) a level of attainment, thought, knowledge, etc. 6. a flat thin object such as a tabletop. --adj 1. (of a surface etc.) perfectly level. 2. (of an angle, figure, etc.) lying in a plane. --vintr. 1. (often foll. by down) travel or glide in an aeroplane. 2. (of a speedboat etc.) skim over water. 3. soar. Phrases and idioms plane chart a chart on which meridians and parallels of latitude are represented by equidistant straight lines, used in plane sailing. plane polarization a process restricting the vibrations of electromagnetic radiation, esp. light, to one direction. plane sailing 1. the practice of determining a ship's position on the theory that she is moving on a plane. 2. = plain sailing (see PLAIN(1)). plane-table a surveying instrument used for direct plotting in the field, with a circular drawing-board and pivoted alidade. Etymology: L planum flat surface, neut. of planus PLAIN(1) (different. f. PLAIN(1) in 17th c.): adj. after F plan, plane 2. n. & v. --n 1. a tool consisting of a wooden or metal block with a projecting steel blade, used to smooth a wooden surface by paring shavings from it. 2. a similar tool for smoothing metal. --vtr. 1. smooth (wood, metal, etc.) with a plane. 2. (often foll. by away, down) pare (irregularities) with a plane. 3. archaic level (plane the way). Etymology: ME f. OF var. of plaine f. LL plana f. L planus PLAIN(1) 3. n. (in full plane-tree) any tree of the genus Platanus often growing to great heights, with maple-like leaves and bark which peels in uneven patches. Etymology: ME f. OF f. L platanus f. Gk platanos f. platus broad |
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