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expanding
2 dictionary results for: Expanding
American Heritage Dictionary - Cite This Source - Share This
ex·pand       (ĭk-spānd')  Pronunciation Key 
v.   ex·pand·ed, ex·pand·ing, ex·pands

v.   tr.
  1. To increase the size, volume, quantity, or scope of; enlarge: expanded her store by adding a second room. See Synonyms at increase.
  2. To express at length or in detail; enlarge on: expanded his remarks afterward.
  3. To open (something) up or out; spread out: The bird expanded its wings and flew off.
  4. Mathematics To write (a quantity) as a sum of terms in an extended form.

v.   intr.
  1. To become greater in size, volume, quantity, or scope: Air expands when heated. This critic's influence is expanding.
  2. To speak or write at length or in detail: expand on a favorite topic.
  3. To open up or out; unfold: The chair expands to form a day bed.
  4. To feel expansive.


[Middle English expanden, to spread out, from Latin expandere : ex-, ex- + pandere, to spread; see petə- in Indo-European roots.]

ex·pand'a·ble adj., ex·pand'er n.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Expanding

Ex*pand"ing\, a. That expands, or may be expanded; extending; spreading; enlarging.

Expanding bit, Expanding drill (Mech.), a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring.

Expanding pulley (Mach.), a pulley so made, as in sections, that its diameter can be increased or diminished.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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