convection

English

Alternative forms

• convexion

Etymology

From (deprecated template usage) [etyl] Latin convectionem, from convectio (“act of carrying”), from convect-, past participle of convehere (“to carry together”), combination of com- and vehere.

Pronunciation

• IPA^(key): /kənˈvɛkʃən/
• Rhymes: -ɛkʃən

Noun

convection (countable and uncountable, plural convections)

1. The process of conveying something.
2. (physics) The transmission of heat in a fluid by the circulation of currents.
3. (meteorology) The vertical movement of heat and moisture, especially by updrafts and downdrafts in an unstable air mass. The terms convection and thunderstorm are often used interchangeably, although thunderstorms are only one form of convection. Towering cumulus clouds are visible forms of convection.

Coordinate terms

• (physics): conduction, radiation

Derived terms

• forced convection
• free convection
• gravitational convection

Translations

process of conveying something

• Catalan: convecció f
• Chinese:

  Mandarin: 對流／对流 (zh) (duìliú), 对流 (zh) (duìliú)

• Finnish: kuljettaminen (fi), kantaminen (fi), välittäminen (fi)
• Hebrew: הובלה f (hovala)
• (deprecated template usage) {{trans-mid}}
• Italian: convezione (it) f
• Japanese: 対流 (ja) (たいりゅう, tairyū)
• Persian: جابجایی, همرفت (fa)
• Spanish: convección (es) f

transmission of heat by the circulation of currents

• Danish: konvektion c
• Finnish: konvektio (fi), kuljettuminen
• Hebrew: הולכה f (holakha)
• (deprecated template usage) {{trans-mid}}
• Italian: convezione (it) f
• Norwegian: konveksjon m, omrøring m
• Russian: конве́кция (ru) f (konvékcija)

vertical movement of heat and moisture

• Finnish: konvektio (fi)
• Italian: convezione (it) f
• (deprecated template usage) {{trans-mid}}
• Norwegian: konveksjon m, omrøring m
• Russian: конве́кция (ru) f (konvékcija)

See also

• weather

References

• Douglas Harper (2001–2024) “convection”, in Online Etymology Dictionary.