| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ transitive verb
: to apply a correction to in excess of that required (as for satisfactory performance) ; specifically : to correct (a lens) beyond the point of achromatism or so that there is aberration of a kind opposite to that of the uncorrected lens
• overcorrection | ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ noun