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Merriam-Webster's Collegiate Dictionary or·bit
\\ˈȯr-bət\\ noun ETYMOLOGY Middle English, from Medieval Latin orbita, from Latin, rut, track, probably from orbis DATE 15th century : the bony socket of the eye • or·bit·al \\ˈȯr-bə-təl\\ adjective
noun ETYMOLOGY Latin orbita path, rut, orbit DATE 1696 1. a. a path described by one body in its revolution about another (as by the earth about the sun or by an electron about an atomic nucleus); also : one complete revolution of a body describing such a path b. a circular path 2. a range or sphere of activity or influence within the president's orbit Synonyms: see range • orbital adjective
verb DATE 1943 transitive verb 1. to revolve in an orbit around : circle 2. to send up and make revolve in an orbit orbit a satellite intransitive verb : to travel in circles English Etymology orbit orbit (n.) late 14c., "the eye socket," from M.L. orbita, transfered use of L. orbita "wheel track, course, orbit" (see orb). Astronomical sense first recorded 1690s in English; it was in classical L., revived in Gerard of Cremona's transl. of Avicenna. The verb is attested from 1946, from the noun. Oxford Advanced Learner's Dictionary-牛津双解-OALD7 orbit orbit / 5C:bit; NAmE 5C:rbit / noun1. [C, U] a curved path followed by a planet or an object as it moves around another planet, star, moon, etc. (天体等运行的)轨道: the earth's orbit around the sun 地球环绕太阳的轨道 a space station in orbit round the moon 绕月球运行的一个航天站 A new satellite has been put into orbit around the earth. 一颗新的人造衞星被送上了环绕地球的轨道。 2. [sing.] an area that a particular person, organization, etc. deals with or is able to influence (人、组织等的)影响范围,势力范围: to come / fall / be within sb's orbit 进入/落入/属于某人的势力范围 verb ~ (around sth) to move in an orbit (= a curved path) around a much larger object, especially a planet, star, etc. 沿轨道运行;围绕…运动 ▪ [VN] The earth takes a year to orbit the sun. 地球绕太阳一周要一年的时间。 ▪ [also V] Oxford Collocations Dictionary for Students of English orbit noun ADJ. circular, elliptical | eccentric Mercury's orbit is fairly eccentric. | stable | planetary VERB + ORBIT enter, go into | put/send sth into | complete, make The spaceship made an orbit of the moon. PREP. in ~ The satellite will remain in orbit for several years. | ~ around/round the moon's orbit around the earth OLT orbit noun ⇨ way 3 orbit verb ⇨ spin Webster's Third New International Dictionary, Unabridged or·bit I. \ˈȯrbə̇t, ˈȯ(ə)b-, usu -ə̇d.+V\ noun (-s) Etymology: Latin orbita track, rut, orbit 1. [Medieval Latin orbita, from Latin] a. : the bony cavity perforated for the passage of nerves and blood vessels that occupies the lateral front of the skull immediately beneath the frontal bone on each side and encloses and protects the eye and its appendages — called also eye socket b. : the skin around the eye of a bird 2. a. : a path described by a celestial body, an artificial satellite, or a spacecraft in its revolution around another body < the orbit of the earth around the sun > < the orbit of a spacecraft around the moon > also : one complete revolution of an orbiting body < a spacecraft making two orbits of the moon > b. : the course of an orbiting airplane c. (1) : the usually curved path of a body in a field of force (as the path of an electron in the presence of a nucleus, or of a charged particle in electric and magnetic fields, or of the earth in the sun's gravitational field) (2) : a state of a particle as determined by its energy, angular momentum, and other factors as it moves in a force field — used especially of an electron in the presence of a nucleus 3. : range or sphere of activity, experience, influence, or interest < Roman political power swept the Mediterranean world into its orbit — Benjamin Farrington > < within the orbit of my curiosity — Alec Waugh > 4. : ball , orb Synonyms: see range II. verb (-ed/-ing/-s) transitive verb 1. : to revolve in an orbit around < a satellite orbiting the earth > 2. : to send up an make revolve in an orbit < orbit a satellite > intransitive verb : to travel in circles : circle < a plane orbiting over a landing field > |
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