addition
Use Addition in a sentence
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ən noun
1.
the act or process of adding or uniting.
2.
the process of uniting two or more numbers into one sum, represented by the symbol +.
3.
the result of adding.
4.
something added.
6.
Chemistry. a reaction in which two or more substances combine to form another compound.
7.
in addition to, as well as; besides: In addition to directing the play, she designed most of the scenery.
00:10
Addition
is always a great word to know.
So is equilibrium. Does it mean:
| the condition existing when a chemical reaction and its reverse reaction proceed at equal rates |
| any of a number of polymers containing alternate silicon and oxygen atoms and that are fluid, resinous, rubbery, extremely stable in high temperatures, and water-repellent |
Origin:
1350–1400; Middle English addicio(u)n < Latin additiōn- (stem of additiō), equivalent to addit(us), past participle of addere to add (ad- ad- + di- put + -tus past participle suffix) + -iōn- -ion
1350–1400; Middle English addicio(u)n < Latin additiōn- (stem of additiō), equivalent to addit(us), past participle of addere to add (ad- ad- + di- put + -tus past participle suffix) + -iōn- -ion
Related forms
pre·ad·di·tion, noun
re·ad·di·tion, noun
Synonyms
1. joining. 3, 4. increase, enlargement; increment; accession, 4. supplement; appendix. Addition, accessory, adjunct, attachment mean something joined onto or used with something else. Addition is the general word, carrying no implication of size, importance, or kind, but merely that of being joined to something previously existing: an addition to an income, to a building, to one's cares. An accessory is a subordinate addition to a more important thing, for the purpose of aiding, completing, ornamenting, etc.: accessories to a costume. An adjunct is a subordinate addition that aids or assists a main thing or person but is often separate: a second machine as an adjunct to the first. An attachment is an accessory part that may be easily connected and removed: a sewing machine attachment for pleating.
1. joining. 3, 4. increase, enlargement; increment; accession, 4. supplement; appendix. Addition, accessory, adjunct, attachment mean something joined onto or used with something else. Addition is the general word, carrying no implication of size, importance, or kind, but merely that of being joined to something previously existing: an addition to an income, to a building, to one's cares. An accessory is a subordinate addition to a more important thing, for the purpose of aiding, completing, ornamenting, etc.: accessories to a costume. An adjunct is a subordinate addition that aids or assists a main thing or person but is often separate: a second machine as an adjunct to the first. An attachment is an accessory part that may be easily connected and removed: a sewing machine attachment for pleating.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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|
Link To addition
Collins
World English Dictionary
addition (əˈdɪʃən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | the act, process, or result of adding |
| 2. | a person or thing that is added or acquired |
| 3. | a mathematical operation in which the sum of two numbers or quantities is calculated. Usually indicated by the symbol + |
| 4. | chiefly (US), (Canadian) a part added to a building or piece of land; annexe |
| 5. | obsolete a title following a person's name |
| 6. | (adverb) in addition also; as well; besides |
| 7. | (preposition) in addition to besides; as well as |
| [C15: from Latin additiōn-, from addere to | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
addition
mid-14c., "that which is added," from O.Fr. addition (13c.), from L. additionem (nom. additio) "an adding to, addition," from additus, pp. of addere (see add). Meaning "action of adding" first attested mid-15c. Phrase in addition to "also" is from 1902. Related: Additional (1640s).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
| addition (ə-dĭsh'ən) Pronunciation Key
The act, process, or operation of adding two or more numbers to compute their sum. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
In addition, the excess heat from the process can then be used to pre-heat water for conversion to steam for spinning turbines.
In addition to asking dozens of customers for their opinions, it also asked them to wear a portable stress sensor while they ate.
In addition, he is taking some difficult courses and expects that several hours of study will be needed each night.
If you're a student, they make a vital addition to your campus survival kit.
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