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Tarmac

[tahr-mak] /ˈtɑr mæk/
1.
Trademark. a brand of bituminous binder, similar to tarmacadam, for surfacing roads, airport runways, parking areas, etc.
noun
2.
(lowercase) a road, airport runway, parking area, etc., paved with Tarmac, tarmacadam, or a layer of tar.
3.
(lowercase) a layer or covering of Tarmac, tarmacadam, or tar.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Tarmac

tarmac

/ˈtɑːmæk/
noun
1.
a paving material that consists of crushed stone rolled and bound with a mixture of tar and bitumen, esp as formerly used for a road, airport runway, etc Full name tarmacadam (ˌtɑːməˈkædəm) See also macadam
2.
the tarmac, a runway at an airport: on the tarmac at Nairobi airport
verb -macs, -macking, -macked
3.
(transitive) (usually not capital) to apply tarmac to
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Tarmac

tarmac

n.

1903 as a trademark name, short for tarmacadam (1882) "pavement created by spraying tar over crushed stone," from tar (n.1) + John Latin McAdam (see macadam). By 1919, tarmac was being used generally in Great Britain for "runway."

Online Etymology Dictionary, © 2010 Douglas Harper
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