Chromaticity Co-ordinates

urn:mrn:iala:dic:2-1-0480

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

Symbol: (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)

English

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

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