telephony

As a noun telephony

is the act of sound transmission via the electromagnetic spectrum.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun telephony

is the act of sound transmission via the electromagnetic spectrum.

As an adjective undefined is

lacking a definition or value.

As a noun telephony

is the act of sound transmission via the electromagnetic spectrum.

As an adjective telematic is

of or pertaining to telematics.

As nouns the difference between telepathy and telephony

is that telepathy is the capability to communicate directly by psychic means; the sympathetic affection of one mind by the thoughts, feelings, or emotions of another at a distance, without communication through the ordinary channels of sensation while telephony is the act of sound transmission via the electromagnetic spectrum.

As nouns the difference between telecom and telephony

is that telecom is telecommunication while telephony is the act of sound transmission via the electromagnetic spectrum.

As nouns the difference between telecommunication and telephony

is that telecommunication is the science and technology of the communication of messages over a distance using electric, electronic or electromagnetic impulses while telephony is the act of sound transmission via the electromagnetic spectrum.

As nouns the difference between telephony and telegraph

is that telephony is the act of sound transmission via the electromagnetic spectrum while telegraph is (lb) an apparatus, or a process, for communicating rapidly between distant points, especially by means of established visible or audible signals representing words or ideas, or by means of words and signs, transmitted by electrical means.

As a verb telegraph is

to send a message by telegraph.

As nouns the difference between taxonomy and telephony

is that taxonomy is the science or the technique used to make a classification while telephony is the act of sound transmission via the electromagnetic spectrum.

As nouns the difference between telephony and telegraphy

is that telephony is the act of sound transmission via the electromagnetic spectrum while telegraphy is communication at a distance by means of the telegraph, either over wires or by wireless telegraphy, usually using Morse code.