Meaning & use
biconcave
Having two surfaces that curve inward on both sides, like a shallow bowl on each face.
See it in a sentence
Red blood cells have a biconcave shape that increases their surface area.
The lens was ground to a biconcave profile so it would spread light outward.
A note on using this word
Biconcave is mainly used in biology and optics to describe a shape curved inward on both sides, the opposite of biconvex.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Make it your own
Write a sentence using “biconcave”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.