1

alluvial

play
adjective al·lu·vi·al \ə-ˈlü-vē-əl\

Definition of alluvial

  1. :  relating to, composed of, or found in alluvium alluvial soil alluvial diamonds

First Known Use of alluvial

1771


2

alluvial

noun al·lu·vi·al

Definition of alluvial

  1. :  an alluvial deposit

First Known Use of alluvial

1816


ALLUVIAL Defined for English Language Learners

alluvial

play
adjective

Definition of alluvial for English Language Learners

  • geology : made up of or found in the materials that are left by the water of rivers, floods, etc.



Seen and Heard

What made you want to look up alluvial? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!