online

or on-line, on line

[ on-lahyn, awn- ]
/ ˈɒnˈlaɪn, ˈɔn- /

adjective

adverb

with or through a computer, especially over a network.
Compare offline.

Origin of online

First recorded in 1945–50

Definition for on-line (2 of 2)

Origin of line

1
before 1000; Middle English li(g)ne cord, rope, stroke, series, guiding rule, partly < Old French ligneLatin līnea, noun use of feminine of līneus flaxen (orig. applied to string), equivalent to līn(um) flax (see line2) + -eus -eous, partly continuing Old English līne string, row, series < Latin, as above

Related forms

lin·a·ble, line·a·ble, adjectiveline·less, adjectiveline·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for on-line

British Dictionary definitions for on-line (1 of 3)

line

1
/ (laɪn) /

noun

verb

See also lines, line-up

Derived Forms

linable or lineable, adjectivelined, adjectivelinelike, adjectiveliny or liney, adjective

Word Origin for line

C13: partly from Old French ligne, ultimately from Latin līnea, n use of līneus flaxen, from līnum flax; partly from Old English līn, ultimately also from Latin līnum flax

British Dictionary definitions for on-line (2 of 3)

line

2
/ (laɪn) /

verb (tr)

to attach an inside covering to (a garment, curtain, etc), as for protection, to hide the seaming, or so that it should hang well
to cover or fit the inside ofto line the walls with books
to fill plentifullya purse lined with money
to reinforce the back of (a book) with fabric, paper, etc

Word Origin for line

C14: ultimately from Latin līnum flax, since linings were often made of linen

British Dictionary definitions for on-line (3 of 3)

online

on-line

/ (ˈɒnˌlaɪn) /

adjective

of, relating to, or concerned with a peripheral device that is directly connected to and controlled by the central processing unit of a computer
of or relating to the internetonline shopping
occurring as part of, or involving, a continuous sequence of operations, such as a production line

adverb

while connected to a computer or the internet
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

Medicine definitions for on-line

line

[ līn ]

n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for on-line (1 of 2)

line

[ līn ]

A geometric figure formed by a point moving in a fixed direction and in the reverse direction. The intersection of two planes is a line.♦ The part of a line that lies between two points on the line is called a line segment.

Science definitions for on-line (2 of 2)

online

[ ŏnlīn ]

Connected to or accessible by means of a computer or computer network.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for on-line (1 of 2)

line


A set of points that have one dimension — length — but no width or height. (See coordinates.)

Culture definitions for on-line (2 of 2)

online


A term referring to locations on or use of the Internet. The term can be used to refer to a specific location or Web page (“Our sales catalogues can be found online at — ”) or to a personal activity (“I went online to find the information you wanted.”)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with on-line

line


In addition to the idioms beginning with line

  • line of fire, in the
  • line one's pockets
  • line up

also see:

  • all along (the line)
  • along the lines of
  • blow it (one's lines)
  • bottom line
  • chow down (line)
  • down the line
  • draw a line
  • draw the line at
  • drop a line
  • end of the line
  • fall in line
  • feed someone a line
  • firing line
  • get a line on
  • go on (line)
  • hard line
  • hold the line
  • hook, line, and sinker
  • hot line
  • in line
  • lay on the line
  • least resistance, line of
  • on line
  • out of line
  • party line
  • read between the lines
  • sign on the dotted line
  • somewhere along the line
  • step out of line
  • toe the line
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.