Sound

urn:mrn:iala:dic:3-1-0000

1. The sensation of hearing excited by an acoustic oscillation.

2. An acoustic oscillation of such a character as to be capable of exciting the sensation of hearing.

Reference: I.E.C.

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

English

charge current

Intensity

Illuminance

Energy

Contrast

Celsius (previously Centigrade)

Capacitance

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