The attribute of visual sensation which has given rise to colour names, such as blue, green, yellow, red, purple etc.
Note: This attribute is the psychosensorial correlate, or nearly so, of the colorimetric quantity "dominant wavelength".
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Celsius (previously Centigrade)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM