reduction
re·duc·tion/ɹɪˈdʌk.ʃən/noun
reduction is spelled R-E-D-U-C-T-I-O-N: 9 letters and 3 syllables (re·duc·tion). It appears 25 times per million words in written English, the 3,683rd most frequent word form (wordfreq, 2021 data). As a noun, reduction means “The act, process, or result of reducing” (English Wiktionary, September 2026). The plural of reduction is reductions.
How many letters and syllables are in reduction?
| Letters | 9: R-E-D-U-C-T-I-O-N |
|---|---|
| Syllables | 3: re·duc·tion |
| In writing | 25 times per million words; the 3,683rd most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is reduction?
Reduction appears 25 times per million words in written English, the 3,683rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce reduction?
- US /ɹɪˈdʌk.ʃən/
- Australia /ɹəˈdak.ʃən/
- /ɹiˈdɑk.ʃən/
Reduction has 3 syllables, split re·duc·tion in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-reduction.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with reduction?
3 words on PlainSpell end in the same sounds as reduction from its last stressed vowel (/ʌkʃən/):
Spelled with the same letters in another order: introduce.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of reduction
- reductions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does reduction mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The act, process, or result of reducing.
- 2
The amount or rate by which something is reduced, e.g. in price.
A 5% reduction in robberies
- 3
A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
- 4
The process of rapidly boiling a sauce to concentrate it.
- 5
The rewriting of an expression into a simpler form.
- 6
A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
- 7
An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
- 8
A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Reduction in Spanish, French, German and Portuguese
In the sense act, process, or result of reducing:
| Language | Words |
|---|---|
| French | réduction |
| German | Reduktion, Reduzierung |
| Portuguese | redução, diminuição |
| Spanish | reducción |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does reduction come from?
From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).