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complementary

[kom-pluh-men-tuh-ree, -tree] /ˌkɒm pləˈmɛn tə ri, -tri/
adjective
1.
forming a complement; completing.
2.
complementing each other.
noun, plural complementaries.
3.
Origin
1590-1600
1590-1600; complement + -ary
Related forms
complementariness, noun
uncomplementary, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for complementary
  • It would provide extra information and pictures for a great complementary article to this one.
  • Mind you this diet is not some complementary humbug, but a strictly medically supervised treatment.
  • Absorption and transmission of light are complementary figures for all materials, along with reflection.
  • Those tactics are not mutually exclusive, they are complementary.
  • The complementary instincts of morality and tribalism are easily manipulated.
  • The two had been roommates when they first decided to work on the complementary projects.
  • Diesels and hybrids are both valuable technologies, and they are fully complementary.
  • Ask the kiosk personnel if complementary or discount lodging rates are available due to the delay.
  • Both organizations have historically stated that they consider their work complementary, not contradictory.
  • It is now realistic to talk about complementary pressure on the insurgencies on both sides of the border.
British Dictionary definitions for complementary

complementary

/ˌkɒmplɪˈmɛntərɪ; -trɪ/
adjective
1.
acting as or forming a complement; completing
2.
forming a satisfactory or balanced whole
3.
forming a mathematical complement: sine and cosine are complementary functions
4.
(maths, logic) (of a pair of sets, etc) mutually exclusive and exhaustive, each being the complement of the other
5.
(of genes) producing an effect in association with other genes
6.
involving or using the treatments and techniques of complementary medicine
Derived Forms
complementarily, complementally, adverb
complementariness, noun
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
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Word Origin and History for complementary
adj.

1620s, "ceremonious," from complement + -ary. Sense "forming a complement" attested from 1829, earliest in complementary colors.

Online Etymology Dictionary, © 2010 Douglas Harper
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