Standard Illuminant

From International Dictionary of Marine Aids to Navigation
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2-1-455

A colorimetric illuminant, the spectral energy distribution of which is specified by the C.I.E., with various scientific applications in view.

Reference: C.I.E. (modified)


Note: For further details, see C.I.E.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)