Refractive index

urn:mrn:iala:dic:4-1-0885

Refractive index (of a medium)

The ratio of the velocity of radio waves in a vacuum to the velocity of radio waves in the medium.

Reference: C.I.E. (modified)

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

English

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

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