Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lanthanide

play
noun lan·tha·nide \ˈlan(t)-thə-ˌnīd\

Definition of lanthanide

  1. :  any of the series of elements with increasing atomic numbers that begins with lanthanum or cerium and ends with lutetium — see periodic table table



Variants of lanthanide

also lan·tha·noid play \-ˌnȯid\

Origin of lanthanide

International Scientific Vocabulary


First Known Use: 1926


Medical Dictionary

lanthanide

play
noun lan·tha·nide \ˈlan(t)-thə-ˌnīd\

Medical Definition of lanthanide

  1. :  any in a series of elements of increasing atomic numbers beginning with lanthanum (57) or cerium (58) and ending with lutetium (71)




Learn More about lanthanide

  1. Medical Dictionary: Definition of "lanthanide"


Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet pince-nez spindrift kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ