Word Pronunciation & Dictionary

lanthanide

/ˈlænθənaɪd/

Word Rarity Very rare

Frequency: Zipf frequency 1.89 in modern English

Syllables: lan-thanide
IPA: /ˈlænθənaɪd/

14

Scrabble Score

10

Letters

2

Syllables

8

Unique Chars

Meaning

noun

Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.

noun

Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).

noun

Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past).

Dated

Etymology

From lanthanium + -ide.

Usage

Dated

Inflected Forms

lanthanides (plural)

Derived Forms

nonlanthanide radiolanthanide

Phrases

lanthanide contraction lanthanide series

Frequently Paired Words

lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium

Synonyms

lanthanate lanthanoid lanthanon rare-earth element rare earth

Questions

How do you pronounce lanthanide?: The recorded pronunciation is /ˈlænθənaɪd/.
What does lanthanide mean?: Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
Where does lanthanide come from?: From lanthanium + -ide.

How to pronounce lanthanide

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Read the phonetic spelling — Read the IPA spelling (/ˈlænθənaɪd/) so you know which sounds to aim for.
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