from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An algebraic equation, such as y = 2x + 7 or 3x + 2y - z = 4, in which the highest degree term in the variable or variables is of the first degree. The graph of such an equation is a straight line if there are two variables.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A polynomial equation of the first degree (such as x = 2y - 7)
from the GNU version of the Collaborative International Dictionary of English
- adj. an equation of the first degree between two variables; -- so called because every such equation may be considered as representing a right line.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a polynomial equation of the first degree
Sorry, no etymologies found.