English edit

Etymology edit

From ortho- +‎ -tome +‎ -ic.

Adjective edit

orthotomic (not comparable)

  1. (geometry) Cutting at right angles.
  2. (algebra) imaginary; involving the square root of a negative number.

Derived terms edit

Noun edit

orthotomic (plural orthotomics)

  1. (geometry) The line that joins the poles of the common chord on two orthotomic circles.
  2. (geometry) The envelope of the family of circles that have centers on a specified curve and which pass through a specified point.