Illuminant
[i'lju:minәnt]
Definition
(n.) That which illuminates or affords light; as, gas and petroleum are illuminants.
Editor: Wilma
Examples
- For more than thirty years the arc light remained an expensive laboratory experiment; but the coming of the dynamo placed that illuminant on a commercial basis. Frank Lewis Dyer. Edison, His Life and Inventions.
- Well before the period was over the new illuminant had justified itself, until today it shows itself an element indispensable in every phase of the country’s activity. Various. The Wonder Book of Knowledge.
- Edison had perfect confidence in his meters, and also in the ultimate judgment of the public as to the superiority of the incandescent electric light as against other illuminants. Frank Lewis Dyer. Edison, His Life and Inventions.
- Gas as General Illuminants, and cover an astounding range of inquiry and comment. Frank Lewis Dyer. Edison, His Life and Inventions.
- Coal oil and electricity have since been found better illuminants for this purpose. William Henry Doolittle. Inventions in the Century.
Checker: Tom