bilinear
/baɪˈlɪn.i.ɚ/adjective, noun
bilinear is spelled B-I-L-I-N-E-A-R: 8 letters and 4 syllables. It appears about once in every 6 million words in written English, the 74,980th most frequent word form (wordfreq, 2021 data). As an adjective, bilinear means “Linear (preserving linear combinations) in each variable” (English Wiktionary, September 2026).
How many letters and syllables are in bilinear?
| Letters | 8: B-I-L-I-N-E-A-R |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 6 million words; the 74,980th 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 bilinear?
Bilinear appears about once in every 6 million words in written English, the 74,980th 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 bilinear?
- UK /baɪˈlɪn.i.ə/
- US /baɪˈlɪn.i.ɚ/
- Australia /bɑɪˈlɪn.i.ə/
Bilinear has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-bilinear.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with bilinear?
3 words on PlainSpell end in the same sounds as bilinear from its last stressed vowel (/ɪniəɹ/):
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 bilinear
- bilinears plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does bilinear mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Linear (preserving linear combinations) in each variable.
The function f(x,y)#61;xy is bilinear, because f(ax#43;bu,y)#61;af(x,y)#43;bf(u,y) and f(x,ay#43;bv)#61;af(x,y)#43;bf(x,v) for all values.
- 2
Of or pertaining to a Möbius transformation (type of conformal map representable as the ratio of two linear functions).
bilinear isotropic hardening
noun
- 1
A bilinear function.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Bilinear in Spanish, French, German and Portuguese
In the sense (mathematics) linear in each of two variables:
| Language | Words |
|---|---|
| French | bilinéaire |
| German | bilinear |
| Spanish | bilineal |
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 bilinear come from?
From bi- + linear.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).