Nearby Words

airline

[air-lahyn] Origin

air-line

[air-lahyn]
adjective
straight; direct; traveling a direct route: Some railroads advertise air-line routes between stations.

Origin:
1805–15, Americanism

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Airline is always a great word to know.
So is simple harmonic motion. Does it mean:
force per unit area
vibratory motion in system in which restoring force is proportional to displacement from equilibrium
Dictionary.com Unabridged

air·line

[air-lahyn]
noun
1.
Aeronautics.
a.
a system furnishing air transport, usually scheduled, between specified points.
b.
the airplanes, airports, etc., of such a system.
c.
Often, airlines. a company that owns or operates such a system.
2.
a direct line; beeline.
3.
an airhose used to pipe air to a deep-sea diver, pneumatic drill, etc.
adjective
4.
of or on an airline.

Origin:
1910–15; air1 + line1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
airline (ˈɛəˌlaɪn)
 
n
1.  a.  a system or organization that provides scheduled flights for passengers or cargo
 b.  (as modifier): an airline pilot
2.  a hose or tube carrying air under pressure
3.  chiefly (US) a beeline

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

airline
1813, "beeline, straight line from place to place" (as through the air, rather than over land; in later 19c., esp. in ref. to railways that ran direct from city to city in the U.S., instead of meandering from town to town in search of stock subscriptions as early railways typically did), from
EXPAND
air (1) + line. Meaning "public aircraft transportation company" is from 1914.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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