- to draw out or lengthen, especially in time; extend the duration of; prolong.
- Anatomy. to extend or protrude.
- (in surveying, mathematics, etc.) to plot and draw (lines) with a scale and a protractor.
Origin of protract
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to lengthen or extend (a speech, etc); prolong in time
- (of a muscle) to draw, thrust, or extend (a part, etc) forwards
- to plot or draw using a protractor and scale
C16: from Latin prōtrahere to prolong, from pro- 1 + trahere to drag
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for protractive
Online Etymology Dictionary, © 2010 Douglas Harper
- To extend or protrude a body part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.