| 单词 | hypocaust |
| 释义 | Word Frequency hypocaust(ˈhaɪpəˌkɔːst) noun an ancient Roman heating system in which hot air circulated under the floor and between double walls Word origin C17: from Latin hypocaustum, from Greek hupokauston room heated from below, from hupokaiein to light a fire beneath, from hypo- + kaiein to burn |
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