cellular phone vs cellular telephone

cellular phone and cellular telephone both are nouns.

Word	Noun	Adjective	Verb	Adverb
cellular phone	Yes	No	No	No
cellular telephone	Yes	No	No	No

As nouns, cellular phone and cellular telephone are synonyms defined as:

cellular phone and cellular telephone: a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver

Other synonyms of cellular phone include cell, cellphone, mobile phone.

cellular phone (noun)	cellular telephone (noun)
a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver	a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver