quadruplex

[ kwod-roo-pleks, kwo-droo-pleks ]

Phonetic (Standard)IPA

adjective

fourfold; quadruple.
noting or pertaining to a system of telegraphy by which four messages may be transmitted simultaneously over one wire or communications channel.

quadruplex

/ ˈkwɒdrʊˌplɛks; kwɒˈdruːplɛks; ˌkwɒdrʊˈplɪsɪtɪ /

consisting of four parts; fourfold
denoting a type of television video tape recorder having four transversely rotating heads

From Latin, dating back to 1870–75; quadru-, -plex

C19: from Latin, from quadru- (see quadri- ) + -plex -fold

At this juncture other schemes were fermenting in his brain; but the quadruplex engrossed him.

The quadruplex has not as a rule the same working efficiency that four separate wires have.

I had paid for all the experiments on the quadruplex and exhausted the money, and I was again in straits.

For his quadruplex system, Mr. Edison utilized this fact in the construction of a rheostat or resistance box.

Among them was one which was issued some years afterward as Patent No. 480,567, covering his well-known quadruplex.

April 23, 2024inveterate

[in-vet-er-it ]

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