atmoradiograph vs apparatus

atmoradiograph and apparatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
atmoradiograph	Yes	No	No	No
apparatus	Yes	No	No	No

As nouns, apparatus is a hypernym of atmoradiograph; that is, apparatus is a word with a broader meaning than atmoradiograph:

atmoradiograph: a device which measures the frequency of occurrence of atmospherics.
apparatus: equipment designed to serve a specific function

Other hypernyms of atmoradiograph include setup.

atmoradiograph (noun)	apparatus (noun)
a device which measures the frequency of occurrence of atmospherics.	equipment designed to serve a specific function
	(anatomy) a group of body parts that work together to perform a given function