Luminescence of certain substances, generally solid, under the action of an electric field.
Note: Formerly this term has been used chiefly for the luminescence of a gas under the action of an electric discharge.
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