biconcave
adjective
biconcave is spelled B-I-C-O-N-C-A-V-E: 9 letters. It appears about once in every 71 million words in written English, the 265,644th most frequent word form (wordfreq, 2021 data). As an adjective, biconcave means “Having both sides that are concave” (English Wiktionary, September 2026).
How many letters and syllables are in biconcave?
| Letters | 9: B-I-C-O-N-C-A-V-E |
|---|---|
| In writing | about once in every 71 million words; the 265,644th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is biconcave?
Biconcave appears about once in every 71 million words in written English, the 265,644th 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).
What does biconcave mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Having both sides that are concave.
a biconcave lens
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Biconcave in Spanish, French, German and Portuguese
In the sense lens:
| Language | Words |
|---|---|
| French | biconcave |
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 biconcave come from?
From bi- + concave.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).