crystal vs crystal detector

crystal and crystal detector both are nouns.

Word	Noun	Adjective	Verb	Adverb
crystal	Yes	No	No	No
crystal detector	Yes	No	No	No

crystal (noun)	crystal detector (noun)
a protective cover that protects the face of a watch	a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
glassware made of quartz
a crystalline element used as a component in various electronic devices
a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
a solid formed by the solidification of a chemical and having a highly regular atomic structure
colorless glass made of almost pure silica