taper

taper

Engineering (in conical parts) the amount of variation in the diameter per unit of length

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

taper

[′tā·pər]

(aerospace engineering)

An airfoil feature in which either the thickness or the chord length or both decrease from the root to the tip.

(electricity)

Continuous or gradual change in electrical properties with mechanical position such as rotation or length; for example, continuous change of cross section of a waveguide, or distribution of resistance in a potentiometer.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

taper

A gradual diminution of thickness in an elongated object, as in a spire.

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.