biquadratic

adjective or noun

bi·qua·drat·ic ˌbī-kwä-ˈdra-tik

: quartic

Word History

First Known Use

1668, in the meaning defined above

Time Traveler

The first known use of biquadratic was in 1668

See more words from the same year

Cite this Entry

Style

“Biquadratic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biquadratic. Accessed 26 Mar. 2025.

Copy Citation

More from Merriam-Webster

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

flippant

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

Words You Always Have to Look Up

Democracy or Republic: What's the difference?

Popular in Wordplay

Top 10 Sophisticated Insults

Flower Etymologies For Your Spring Garden

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments

Popular

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Top 10 Sophisticated Insults

Flower Etymologies For Your Spring Garden