two words are homographs if they are spelled the same way but differ in meaning (e.g
Possessing the property of homography.
plural of homograph n
Thus, a tangent line rolling on a circle cuts two fixed tangents of the circle in two sets of points that are homographic.
homographic
a. [数学]单应的, 对应的; 同形异义词的
homographs
(homograph 的复数) n. 同形异义字
homography
n. [数]单应性
