Meaning of “lava lamp” in the English Dictionary

british dictionary

"lava lamp" in British English

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lava lampnoun [ C ]

uk /ˈlɑː.və ˌlæmp/ us /ˈlɑː.və ˌlæmp/

a decorative electric lamp in which a brightly coloured amount of wax moves up and down a container full of transparent liquid, forming new shapes as it does so

(Definition of “lava lamp” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)