Meanings
plural hot tops
- countableuncountableartsIn casting, a live open riser with a hot ceramic liner, designed to counteract the formation of harmful hollows when casting objects of materials such as metals into molds.
Synonyms: blacktop, dozzle, feeder head
Synonyms & antonyms
nounIn casting, a live open riser with a hot ceramic liner, designed to counteract the formation of harmful hollows when casting objects of materials such as metals into molds.
Cite this entry
hot top. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/hot%20top
“hot top.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hot%20top. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “hot top,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/hot%20top.
Source: hot top on Wiktionary, CC BY-SA 4.0.