biharmonic
adjective, noun
biharmonic is an adjective meaning “Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics” (English Wiktionary, September 2026). It is spelled B-I-H-A-R-M-O-N-I-C, and it appears about once in every 79 million words in written English (wordfreq, 2021 data).
What does biharmonic mean?
adjective
- 1
Describing a class of fourth-order partial differential equations which arises in areas of continuum mechanics
noun
- 1
Any equation of this kind.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of biharmonic
- biharmonics plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is biharmonic?
Biharmonic appears about once in every 79 million words in written English, the 282,993rd 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).
Where does biharmonic come from?
From bi- + harmonic.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).