hand boiler

== English == === Etymology === Compound of hand +‎ boiler. === Pronunciation === (UK) IPA(key): /ˈhænd ˈbɔɪlə/ (US) IPA(key): /ˈhænd ˈbɔɪlɚ/ Rhymes: -ɔɪlə(ɹ) === Noun === hand boiler (plural hand boilers) A toy usually consisting of a glass sculpture made of two bulbs connected by a looped and twisted piece of tubing, which contains dyed ethanol inside that seemingly boils when gripped. ==== Synonyms ==== love meter