follow Dictionary.com

What's the "een" in Halloween?

rectilinear

[rek-tl-in-ee-er] /ˌrɛk tlˈɪn i ər/
adjective
1.
forming a straight line.
2.
formed by straight lines.
3.
characterized by straight lines.
4.
moving in a straight line.
Also, rectilineal.
Origin
1650-1660
1650-60; < Late Latin rēctilīne(us) (rēcti- recti- + līne(a) line1 + -us adj. suffix) + -ar1
Related forms
rectilinearly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for recti lineal

rectilinear

/ˌrɛktɪˈlɪnɪə/
adjective
1.
in, moving in, or characterized by a straight line or lines: the rectilinear propagation of light
2.
consisting of, bounded by, or formed by a straight line or lines
Derived Forms
rectilinearly, rectilineally, adverb
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
Cite This Source
Word Origin and History for recti lineal

rectilinear

adj.

"forming a straight line," 1650s, with -ar + rectiline (1560s), from Late Latin rectilineus, from rectus "straight" (see right (adj.1)) + linea "line" (see line (n.)). Related: Rectilineal (1640s).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
recti lineal in Science
rectilinear
  (rěk'tə-lĭn'ē-ər)   
Relating to, consisting of, or moving in a straight line or lines.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for rectilinear

Few English speakers likely know this word

Word Value for recti

7
8
Scrabble Words With Friends