chopper


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chopper

1. Chiefly Brit a small hand axe
2. a butcher's cleaver
3. an informal name for a helicopter
4. Physics a device for periodically interrupting an electric current or beam of radiation to produce a pulsed current or beam
5. a type of bicycle or motorcycle with very high handlebars and an elongated saddle
6. NZ a child's bicycle
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

chopper

[′chäp·ər]
(engineering)
Any knife, axe, or mechanical device for chopping or cutting an object into segments.
(physics)
A device for interrupting an electric current, beam of light, or beam of infrared radiation at regular intervals, to permit amplification of the associated electrical quantity or signal by an alternating-current amplifier; also used to interrupt a continuous stream of neutrons to measure velocity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

chopper

A colloquial term for helicopter.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
'On his way back, it was decided, for technical reasons, not to fly the chopper that had brought him to the venue.
Defence sources claimed the chopper flew over Gulpur area across the Line of Control in Jammu and Kashmir's Krishna Ghati sector at 12:13 pm before returning to Pakistani airspace.
Pakistan Cricket Board got the services of army choppers to help them drying the low lying ground.
Pawan Hans Helicopters Limited is a government-owned company and provides chopper services for off-shore operations, connecting inaccessible areas, VIP transportation, pilgrim services and promotion of tourism.
The Coast Guard has also diverted its ships to search for the missing chopper.
But he was quick to clarify that the three choppers will not be mounted with firearms in order to convert them into attack helicopters.
The Cove Chopper, on the other hand, is a long and low motorcycle that has several "Cove" attributes found throughout.
With its revolutionary good looks and choice of six vivid colours, the Chopper became the defining bike the times.
If the procurement gets the ministry's approval, it will make the Army one of the biggest operators of these choppers in the country; the Air Force recently finalised a contract for 22 of these flying machines.
Authorities have not recovered the chopper's black box yet, according to Iran's (http://www.presstv.ir/Detail/2016/11/27/495357/iran-chopper-crash-air-abmulance-crash) Press TV , which added this was second helicopter crash in Mazandaran this year.
-- Schenectady, N.Y.-based Price Chopper Supermarkets has acquired Fairway Pharmacy here.
A MERSEYSIDE cyclist taking on the Tour de France on a Raleigh Chopper had a message of support from race leader Chris Froome.