Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

biconcave

adjective bi·con·cave \ (ˌ)bī-(ˌ)kän-ˈkāv , -ˈkän-ˌ \

Definition of biconcave

: concave on both sides
—

biconcavity

play \ˌbī-(ˌ)kän-ˈka-və-tē\ noun

First Known Use of biconcave

1807

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

biconcave

adjective bi·con·cave \ ˌbī-(ˌ)kän-ˈkāv , (ˈ)bī-ˈkän-ˌ \

medical Definition of biconcave

: concave on both sides
  • biconcave vertebrae
  • a biconcave lens
—

biconcavity

play \ˌbī-(ˌ)kän-ˈkav-ət-ē\ noun, plural -ties

Learn More about biconcave

  1. See words that rhyme with biconcave

Seen and Heard

What made you want to look up biconcave? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

paste

play

to beat or defeat soundly

Get Word of the Day daily email!

TRENDING NOW

  1. exculpatory 'tending or serving to exculpate'

  2. ideologue 'an often blindly partisan advocate or adherent of a particular ideology'

  3. socialism 'a way of organizing a society in which major industries are owned and controlled by the government'

  4. uphold 'to let stand'

  5. due process 'a course of formal proceedings (as judicial proceedings)'

SEE ALL

BROWSE DICTIONARY

biconcave

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games