Colour (G.B.)

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2-1-435

Alternative term: Color (U.S.A.)

1. Perceived colour Aspect of visual perception by which an observer may distinguish differences between two fields of view of the same size, shape and structure, such as may be caused by differences in the spectral composition of the radiation concerned in the observation.

2. Psychophysical colour Characteristic of a visible radiation by which an observer may distinguish differences between two fields of view of the same size, shape and structure, such as may be caused by differences in the spectral composition of the radiation concerned in the observation.

Reference: C.I.E. (extract)




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

South

ampere

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

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