BharatNotes Estuary
noun/ˈɛstjʊəri/
A semi-enclosed coastal body of water with a free connection to the open sea, within which seawater is measurably diluted by freshwater from land drainage.
Usage in a UPSC answer
India's ecological security hinges on protecting fragile transition zones such as the Sundarbans estuary, where the unchecked discharge of industrial effluent and the intrusion of saline water threaten both biodiversity and the livelihoods of coastal communities.
Synonyms
river mouthfirthinlettidal mouthdeltacreek
Antonyms
river sourceheadwaterwatershed
Word Family
estuarine (adj), estuaries (n pl)
Root
Latin aestuārium = tidal inlet of the sea; aestus = tide, heat, surge
Etymology
From Latin aestuārium ("tidal inlet of the sea"), from aestus ("tide, heat, surge").
Memory Hook
Hear "EST-uary" as the East-uary where the river's journey ends in the sea; the Latin root aestus ('boiling tide') reminds you it is the spot where fresh and salt waters churn and mix.
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