low temperature vs temperature

low temperature and temperature both are nouns.

Word	Noun	Adjective	Verb	Adverb
low temperature	Yes	No	No	No
temperature	Yes	No	No	No

As nouns, temperature is a hypernym of low temperature; that is, temperature is a word with a broader meaning than low temperature:

low temperature: the absence of heat
temperature: the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)

Other hypernyms of low temperature include pressor, vasoconstrictive, vasoconstrictor.

low temperature (noun)	temperature (noun)
the absence of heat	the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
	the somatic sensation of cold or heat