Dictionary
rec•ti•lin•e•ar
Pronunciation: (rek"tl-in'ē-ur), [key]—
adj.
1. forming a straight line.
2. formed by straight lines.
3. characterized by straight lines.
4. moving in a straight line.
Also,rec"ti•lin'e•al.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.