convection

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the transfer of heat through a fluid (liquid or gas) caused by molecular motion (Freq. 2)
• Hypernyms:
temperature change
2. (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
• Derivationally related forms:
convect
• Topics:
meteorology
• Hypernyms:
natural process, natural action, action, activity