Chromaticity Co-ordinates

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2-1-480

The ratio of each of the three tristimulus values to their sum.

Symbol: (Reference: C.I.E. 1931) x, y, z.

Reference: C.I.E. (extract)

Note: See the Note: to 2-1-475. For a field of vision of about 10 degrees the symbols are x10, y10, z10




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

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM