equation
e·qua·tion/ɪˈkweɪ.ʒən/noun
equation is spelled E-Q-U-A-T-I-O-N: 8 letters and 3 syllables (e·qua·tion). It appears 10 times per million words in written English, the 6,884th most frequent word form (wordfreq, 2021 data). As a noun, equation means “The act or process of equating two or more things, or the state of those things being equal (that is, identical)” (English Wiktionary, September 2026). The plural of equation is equations.
How many letters and syllables are in equation?
| Letters | 8: E-Q-U-A-T-I-O-N |
|---|---|
| Syllables | 3: e·qua·tion |
| In writing | 10 times per million words; the 6,884th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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 equation?
Equation appears 10 times per million words in written English, the 6,884th 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 equation?
- UK /ɪˈkweɪ.ʒən/
- UK /-ʃən/
- US /ɪˈkweɪ.ʒən/
Equation has 3 syllables, split e·qua·tion in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Eleanorrrrrrrrrr-equation.wav, En-us-equation.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with equation?
4 words on PlainSpell end in the same sounds as equation from its last stressed vowel (/eɪʒən/):
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 equation
- equations plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does equation mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The act or process of equating two or more things, or the state of those things being equal (that is, identical).
We need to bring the balance of power into equation
- 2
An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; in mathematical problems, equations describe various essential aspects of the problem, each of which contributes to the resolution of the problem in part.
- 3
A small correction to observed values to remove the effects of systematic errors in an observation.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate equation?
Wiktionary records 4 abbreviations of equation: Eq., eq, eq'n, eqn..
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Equation in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| German | Ausgleich, Gleichgewicht , Gleichung |
| French | équation |
| Portuguese | equação |
| Spanish | ecuación |
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 equation come from?
From Old French, from Latin aequātiō (“an equalizing”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).