illuminant
Americannoun
noun
adjective
Other Word Forms
- nonilluminant noun
- unilluminant adjective
Etymology
Origin of illuminant
1635–45; < Latin illūminant- (stem of illūmināns ) present participle of illūmināre to light up, brighten, equivalent to illūmin- ( see illumine) + -ant- -ant
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A fixture even more than a star, either way an illuminant.
From New York Times • Jan. 29, 2021
Kerosene was the dominant illuminant fuel for a few decades between the decline of whale oil and the rise of electricity.
From Forbes • Oct. 21, 2011
For the illuminant used in enlarging, we may employ either daylight or artificial light.
From Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements by Tennant, John A.
When petroleum began to be used as an illuminant it is impossible to say.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius
Linseed-oil is generally exported, but if used at home it is mainly as an illuminant.
From The Tribes and Castes of the Central Provinces of India - Volume IV of IV Kumhar-Yemkala by Russell, R. V. (Robert Vane)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
