[ flanj ]
/ flændʒ /
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a projecting rim, collar, or ring on a shaft, pipe, machine housing, etc., cast or formed to give additional strength, stiffness, or supporting area, or to provide a place for the attachment of other objects.
a broad ridge or pair of ridges projecting from the edge of a rolled metal shape generally at right angles, in order to strengthen or stiffen it.
a ring or collar, usually provided with holes for bolts, and screwed or welded over the end of a tube or pipe to permit other objects to be attached to it.
(in plumbing) a plate or flat ring bolted to the flange at the end of a length of pipe to close the end or to connect it with the flange of another such length: blind flange; spectacle flange.

verb (used without object), flanged, flang·ing.

to project like, or take the form of, a flange.



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Origin of flange

1425–75; late Middle English flaunche side charge (on shield face) <Middle French flanche, feminine of flancflank


flangeless, adjectiveflanger, nounun·flanged, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for flange

British Dictionary definitions for flange

/ (flændʒ) /


a projecting disc-shaped collar or rim on an object for locating or strengthening it or for attaching it to another object
a flat outer face of a rolled-steel joist, esp of an I- or H-beam
a tool for forming a flange


(tr) to attach or provide (a component) with a flange
(intr) to take the form of a flange

Derived forms of flange

flanged, adjectiveflangeless, adjectiveflanger, noun

Word Origin for flange

C17: probably changed from earlier flaunche curved segment at side of a heraldic field, from French flanc flank
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 flange

[ flănj ]


A projecting rim or edge.
The part of the denture base that extends from the cervical ends of the teeth to the border of the denture.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.