barretter

English - English

Definition of barretter in English English dictionary

A ballast resistor

The original form consisted of an extremely fine platinum wire loop attached to terminals and inclosed in a small glass or silver bulb

A thermal cymoscope which operates by increased resistance when subjected to the influence of electric waves

In a later variety, called the liquid barretter, wire is replace by a column of liquid in a very fine capillary tube

Hyphenation

bar·ret·ter