verb (used with object)
to use up: She expended energy, time, and care on her work.
to pay out; disburse; spend.

1400–50; late Middle English < Latin expendere to weigh out, lay out, pay

expender, noun
overexpend, verb
preexpend, verb (used with object)
unexpended, adjective
well-expended, adjective

expand, expend (see synonym study at expand).

1. consume, empty. See spend.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
expend (ɪkˈspɛnd)
1.  to spend; disburse
2.  to consume or use up
[C15: from Latin expendere, from pendere to weigh]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

early 15c., from L. expendere "pay out," from ex- "out" + pendere "to pay, weigh" (see pendant). Related: Expended; expending.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
It measured what people ate, how much they ate, and how much energy they
  expended under tightly controlled conditions.
Although these various forms of advertising were employed, but little thought
  and care seem to have been expended upon them.
More effort is expended on describing the rugs and drawings that he owns.
By finding a company willing to purchase half expended batteries you can
  increase the time it takes to pay off those batteries.
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