Frequency division multiplex (FDM)

5-3-105

A system in which the band of frequencies which may be transmitted on a common transmission path is divided into narrower bands, each used for a separate channel.

Reference: I.E.C. (modified)

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

English

ampere

charge current

Intensity

Illuminance

Energy

Contrast

Celsius (previously Centigrade)

Capacitance

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