taper-in-thickness ratio

taper-in-thickness ratio

[¦tā·pər in ¦thik·nəs ‚rā·shō]
(aerospace engineering)
A gradual change in the thickness ratio along the wing span with the chord remaining constant.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.