biconcave
Having both sides that are concaveHaving both sides that are concave.
Meaning
1 senses(not comparable)Having both sides that are concave.
a biconcave lens
the biconcave vertebrae
concave on both sides
Having both sides that are concaveHaving both sides that are concave.
(not comparable)Having both sides that are concave.
a biconcave lens
the biconcave vertebrae
concave on both sides