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Definition of reduction

reduction

/rɪˈdʌk.ʃən/
re · duc · tion

Adverb:reductively
•
Plural:reductions
•
Adjective:reductive
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reduction Lexical Profile

reduction Game Scores & Validity

• noun

1

The action or fact of making a specified thing smaller or less in amount, degree, or size, or the amount by which something is lessened.

Example

"The new solar panels resulted in a significant reduction in the household's monthly electricity bill."


2

A thick, flavorful sauce or glaze made by simmering or boiling a liquid, such as wine, stock, or vinegar, until its volume is decreased through evaporation.

Example

"The chef drizzled a rich balsamic reduction over the roasted vegetables just before serving."


3

A chemical reaction that involves the gaining of electrons by one of the atoms involved in the reaction between two chemicals, often accompanied by the loss of oxygen.

Example

"In the smelting furnace, iron ore undergoes chemical reduction to yield pure metallic iron."


4

The medical procedure of restoring a fractured bone or dislocated joint to its proper anatomical alignment.

Example

"The orthopedic specialist performed a closed reduction on the patient's dislocated shoulder."

Synonyms
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Antonyms
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• Rhymes for reduction

Word Origin & Etymology

Borrowed from Old French reduction, from Latin reductionem ('a leading back, restoration'), derived from reducere ('to lead back, bring down'), from re- ('back') and ducere ('to lead').

Cite this Entry


Wordmom. (2026). Definition of Reduction. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/reduction
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