Astronomy: General

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chopper

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

chop·per / ˈchäpər/ • n. 1. a person, tool, or machine that chops. ∎ a butcher's cleaver. ∎ a device for regularly interrupting an electric current or a beam of light or particles. ∎ (choppers) inf. teeth. 2. inf. a helicopter. 3. inf. a motorcycle, esp. one with high handlebars and the front-wheel fork extended forward. 4. Baseball a batted ball that makes a high bounce after hitting the ground in fair territory.

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chopper

A Dictionary of Astronomy | 1997 | Copyright

chopper A mechanical device designed to switch the beam of a radio or infrared telescope rapidly between two position on the sky in order to subtract background radiation. At one position the beam is centred on the source under observation, and at the other it is looking at empty sky. Chop frequencies are typically several times a second. See also chopping secondary.

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"chopper." A Dictionary of Astronomy. 1997. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-chopper.html

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chopper

Oxford Dictionary of Rhymes | 2007 | Copyright

chopper •Agrippa, chipper, clipper, dipper, equipper, flipper, gripper, hipper, kipper, nipper, Pippa, ripper, shipper, sipper, skipper, slipper, stripper, tipper, tripper, whipper, zipper •crimper, shrimper, simper, whimper, Whymper •crisper, whisper •mudskipper • caliper • Philippa •juniper • gossiper •worshipper (US worshiper) •griper, piper, sniper, swiper, viper, wiper •bagpiper • sandpiper •bopper, chopper, copper, cropper, Dopper, dropper, hopper, improper, Joppa, poppa, popper, proper, shopper, stopper, swapper, topper, whopper •stomper • prosper • bebopper •teenybopper • grasshopper •clodhopper • sharecropper •name-dropper • eavesdropper •window-shopper • doorstopper •show-stopper •gawper, pauper, torpor, warper

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Free newspaper and magazine articles

	A mower that really cooks: Dixie Chopper does it again, producing a... Magazine article from: Diesel Progress North American Edition; 12/1/2006
	Eye in the sky; Channel 4 chopper adds to daily coverage.(BUSINESS) Newspaper article from: The Washington Times (Washington, DC); 8/11/2003
	Dixie Chopper Appoints New President and CEO, Plans to Grow. Magazine article from: Yard & Garden; 11/1/2011