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Related to illuminant: illuminati


Something that gives off light.

[Latin illūmināns, illūminant-, present participle of illūmināre, to illuminate; see illuminate.]


something that provides or gives off light
giving off light; illuminating


(ɪˈlu mə nənt)

an illuminating agent or material.
[1635–45; < Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.illuminant - something that can serve as a source of light
fuel - a substance that can be consumed to produce energy; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft"
References in classic literature ?
And now a large part of the American people must begin to enrich the Rockefellers as soon as the sun goes down, no matter what form of illuminant they use.
Of course, networks of public street lights have been combating darkness in cities since the 19th century, following the discovery of coalgas as an illuminant by Scottish engineer William Murdoch.
The following discussion of optical considerations will involve transmission of total solar energy (Tts) percentage, and light transmission of illuminant A (Lta).
Samples of illuminant "inca" and angle 0[degrees] in each class are used to train the classifier, and the other eight rotation angles with the same illumination are used as testing sets.
We worked with the CIE standard illuminant A, which is intended to represent typical, domestic, tungsten-filament lighting.
3125N NaOH, using phenolphthalein as an indicator, with the acidity concentration being expressed as a percentage; soluble solids (oBrix) determined by direct reading in a refractometer; calculation the maturation index (soluble solids/acidity); and peel color, obtained with a Minolta CR-300 colorimeter, a D65 illuminant, an 8-mm aperture, to read the color space 'L', 'a' and 'b'.
The color of the metal plate was examined in the CIE (Commission Internationale De l'eclairage/The International Commission on Illumination) Lxaxb color space [23] using a visible wavelength spectrophotometer (Macbeth CMC-CE- 7000-XL0339) at 325 nm and CIE Standard Illuminant D65, which is equivalent to 6500 K illumination.
Il est comAaAaAeA@dien sur les planches et acte en illuminant de sa prAaAaAeA@sence le grand ou le petit AaAaAeA@cran.
When oil went from being an illuminant to a power source, the entire world changed.
The function which does this performs a RGB to CIE XYZ space conversion and then from there the CIE XYZ values are transformed to CIE Lab illuminant using illuminant D65.
Un ascenseur sera egalement ajoute, alternative aux 334 marches qu'il faut grimper pour atteindre le haut de la tour tandis que les lumieres illuminant l'horloge seront remplacees par des ampoules basse consommation.