[ spek-yuh-ler ]
/ ˈspɛk yə lər /


pertaining to or having the properties of a mirror.
pertaining to a speculum.
Optics. (of reflected light) directed, as from a smooth, polished surface (opposed to diffuse).

Origin of specular

1570–80; < Latin speculāris, equivalent to specul(um) a mirror (spec(ere) to look, regard + -ulum instrumental suffix; see -ule) + -āris -ar1

Related forms

spec·u·lar·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for specular

British Dictionary definitions for specular


/ (ˈspɛkjʊlə) /


of, relating to, or having the properties of a mirrorspecular reflection
of or relating to a speculum

Derived Forms

specularly, adverb

Word Origin for specular

C16: from Latin speculāris, from speculum a mirror, from specere to look at
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