1. ion exchange

noun. A process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing.
Synonyms
activity natural action natural process action
Antonyms
assembly discontinuation inactivity discontinuance activation
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2. exchange

noun. (ɪksˈtʃeɪndʒ) Chemical process in which one atom or ion or group changes places with another.
Synonyms
chemical phenomenon photochemical exchange
Antonyms
demilitarize loosen decontaminate
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

3. exchange

verb. (ɪksˈtʃeɪndʒ) Give to, and receive from, one another.
Synonyms
stand in trade in trade transfer fill in cash substitute cash in ransom sub redeem barter change interchange switch sell swap swop
Antonyms
buy nationalize wrong magnetize demulsify
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

4. exchange

noun. (ɪksˈtʃeɪndʒ) The act of giving something in return for something received.
Synonyms
transaction dealing dealings logrolling
Antonyms
decrease tune dissimilate detransitivize focus
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

5. exchange

noun. (ɪksˈtʃeɪndʒ) A mutual expression of views (especially an unpleasant one).
Synonyms
conversation
Antonyms
emulsify discolor
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

6. exchange

noun. (ɪksˈtʃeɪndʒ) The act of changing one thing for another thing.
Synonyms
tradeoff group action interchange trade-off
Antonyms
wet stabilise discharge depersonalize quieten
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

7. exchange

verb. (ɪksˈtʃeɪndʒ) Exchange or replace with another, usually of the same kind or category.
Synonyms
launder rectify capitalise change break shift convert capitalize switch utilize commute replace
Antonyms
validate destabilize activate clarify deflate
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

8. exchange

noun. (ɪksˈtʃeɪndʒ) A workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication.
Synonyms
central switchboard centrex phone system patchboard workplace telephone system telephone exchange plugboard work
Antonyms
thin centralise better weaken awaken
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

9. exchange

verb. (ɪksˈtʃeɪndʒ) Change over, change around, as to a new order or sequence.
Synonyms
turn switch over change by reversal switch reverse
Antonyms
dehydrogenate stabilize odorize demythologize sensitize
Etymology
exchange (English)
eschaunge (Middle English (1100-1500))
eschaunge (Anglo-Norman)
eschange (Old French (842-ca. 1400))
eschanger (Old French (842-ca. 1400))
eschaungen (Middle English (1100-1500))
eschaungier (Anglo-Norman)

10. ion

noun. (ˈaɪˌɑːn, ˈaɪən) A particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons.
Synonyms
anion particle subatomic particle cation
Etymology
ion (English)
ἰόν (Ancient Greek (to 1453))
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