concavity
con-cav-i-ty
noun
The state or quality of being hollowed out or curved inwards.
"Observe the concavity of the lens."
Thesaurus
Synonyms: incurvature, incurvation, concave shape, concaveness
con-cav-i-ty
The state or quality of being hollowed out or curved inwards.
"Observe the concavity of the lens."
Synonyms: incurvature, incurvation, concave shape, concaveness