ray vs cathode ray

cathode ray vs ray

ray and cathode ray both are nouns.

ray is a verb but cathode ray is not a verb.

Word	Noun	Adjective	Verb	Adverb
ray	Yes	No	Yes	No
cathode ray	Yes	No	No	No

As nouns, cathode ray is a hyponym of ray; that is, cathode ray is a word with a more specific, narrower meaning than ray:

ray: a group of nearly parallel lines of electromagnetic radiation
cathode ray: a beam of electrons emitted by the cathode of an electrical discharge tube

Other hyponyms of ray include particle beam.

ray (noun)	cathode ray (noun)
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins	a beam of electrons emitted by the cathode of an electrical discharge tube
any of the stiff bony spines in the fin of a fish
the syllable naming the second (supertonic) note of any major scale in solmization
a column of light (as from a beacon)
a group of nearly parallel lines of electromagnetic radiation
a branch of an umbel or an umbelliform inflorescence
(mathematics) a straight line extending from a point

ray (verb)	cathode ray (verb)
expose to radiation
extend or spread outward from a center or focus or inward towards a center
emit as rays

Difference between ray and cathode ray

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