in-line

[ in-lahyn, in-lahyn ]
/ ˌɪnˈlaɪn, ˈɪnˌlaɪn /

adjective

(of an internal-combustion engine) having the cylinders ranged side by side in one or more rows along the crankshaft.

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Origin of in-line

First recorded in 1925–30

Definition for in line (2 of 2)

Origin of line

1
before 1000; Middle English li(g)ne cord, rope, stroke, series, guiding rule, partly < Old French ligne ≪ Latin 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

OTHER WORDS FROM line

lin·a·ble, line·a·ble, adjectiveline·less, adjectiveline·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for in line (1 of 3)

in-line

adjective

denoting a linked sequence of manufacturing processes
denoting an internal-combustion engine having its cylinders arranged in a line

British Dictionary definitions for in line (2 of 3)

line1
/ (laɪn) /

noun

verb

See also lines, line-up

Derived forms of line

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 in line (3 of 3)

line2
/ (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
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

Medical definitions for in line

line
[ līn ]

n.

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

Scientific definitions for in line

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for in line

line

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

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 in line (1 of 2)

in line

1

Also, in line with. In conformity or agreement; within ordinary or proper limits. For example, The new policy was intended to keep prices in line with their competitors, or It's up to the supervisor to keep the nurses in line. Also see fall in line.

2

Also, on line. Waiting behind others in a row or queue. For example, The children stood in line for their lunches, or There were at least 50 persons on line for opera tickets.

3

in line for. Next in order for, as in He is next in line for the presidency. All of these terms employ line in the sense of “an orderly row or series of persons or objects,” a usage dating from the 1500s.

Idioms and Phrases with in line (2 of 2)

line

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.