Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

lutetium

noun lu·te·tium \ lü-ˈtē-sh(ē-)əm \

Definition of lutetium

: a metallic element of the rare-earth group — see Chemical Elements Table

See lutetium defined for kids

Origin and Etymology of lutetium

New Latin, from Latin Lutetia, ancient name of Paris

Medical Dictionary

lutetium

noun lu·te·tium
variants: also lutecium play \lü-ˈtē-sh(ē-)əm\

medical Definition of lutetium

: a metallic element of the rare-earth group —symbol Lu — see Chemical Elements Table

Learn More about lutetium

  1. Britannica.com: Encyclopedia article about lutetium

Seen and Heard

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

show hide

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

thwart

play

to oppose successfully

Get Word of the Day daily email!

TRENDING NOW

  1. hogwash 'nonsense, balderdash'

  2. probity 'adherence to the highest principles and ideals'

  3. sequacious 'intellectually servile'

  4. inadmissible 'not capable of being allowed'

  5. oligarch, pejorative 'a member a government in which a small group exercises control especially for corrupt and selfish purposes'

SEE ALL

BROWSE DICTIONARY

lutetium

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

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