The method or equipment used to provide artificial illumination.(noun)
The illumination so provided.(noun)
The act or process of igniting.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "lighting" in a sentence
"He smiled suddenly, the expression lighting up his whole face."
"And— He smiled suddenly, the expression lighting up his rather somber face."
"In the example, the author moves an open book from a plain white background to a wood floor, and though the lighting is a little conspicuous, the results are still impressive."