Origin of illuminant
Related formsnon·il·lu·mi·nant, nounun·il·lu·mi·nant, adjective
Examples from the Web for illuminant
As an illuminant the gas is produced in specially-constructed generators.
Petroleum has been used to some extent both as a fuel and as an illuminant.
For the illuminant used in enlarging, we may employ either daylight or artificial light.Bromide Printing and Enlarging|John A. Tennant
When petroleum began to be used as an illuminant it is impossible to say.De Re Metallica|Georgius Agricola
As an illuminant the untaxed alcohol is bound to introduce some interesting as well as novel conditions.