Convection

noun

/kənˈvɛkʃən/

The transfer of heat through a fluid (liquid or gas) by the bulk movement of matter, in which warmer, less dense material rises and cooler, denser material sinks.

✍️ Usage in a UPSC answer

India's monsoon, driven by the convection of moisture-laden air over a differentially heated subcontinent, remains the fulcrum on which agrarian incomes, reservoir levels and rural demand collectively turn, making climate-resilient planning a governance imperative rather than a meteorological footnote.

Synonyms

circulationconvective transferconveyancetransmissionconveyingtransference

Antonyms

conductionradiation

🌱 Word Family

convection (n), convective (adj), convect (v), convectively (adv), convection current (n phrase)

🔡 Root

Latin con- = together + vehere = to carry → convehere = to carry together → Late Latin convectiō

📜 Etymology

From Late Latin convectiō ("a carrying together"), from Latin convehere ("to carry together"), from con- ("together") + vehere ("to carry").

🧠 Memory Hook

Con- ("together") + vehere ("to carry") - the same root as "vehicle"; picture a heated fluid acting as a VEHICLE that CARRIES heat upward in rolling currents.

🌍 Geography 📖 Seen in: Atmosphere, Climatology & Pressure Bel...

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