Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

double root

noun

Definition of double root 

: a root that appears twice in the solution of an algebraic equation

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about double root

Share double root

Resources for double root

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near double root

double-ring

double-ripper

double-rivet

double root

double rose

double round

double rum

Statistics for double root

Look-up Popularity

Comments on double root

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

Show Comments  Hide Comments 

WORD OF THE DAY

glade

an open space surrounded by woods

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

  • alt-573b465788319
  • Name these cookies!
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!

Words at Play

Ask the Editors

Word Games