sun lounge vs solarium

sun lounge and solarium both are nouns.

Word	Noun	Adjective	Verb	Adverb
sun lounge	Yes	No	No	No
solarium	Yes	No	No	No

As nouns, sun lounge and solarium are synonyms defined as:

sun lounge and solarium: a room enclosed largely with glass and affording exposure to the sun

Other synonyms of sun lounge include sun parlor, sun parlour, sun porch, sunporch, sunroom.

sun lounge (noun)	solarium (noun)
a room enclosed largely with glass and affording exposure to the sun	a room enclosed largely with glass and affording exposure to the sun