SINCE 1828
dictionary
thesaurus
view recents

tantalum oxide

noun
Save Word

Definition of tantalum oxide

: an oxide of tantalum especially : the crystalline pentoxide Ta2O5 obtained by igniting tantalum in air or oxygen and used in making optical glass and tantalum carbide

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 tantalum oxide

Dictionary Entries Near tantalum oxide

tantalum lamp

tantalum oxide

Tantalus

See More Nearby Entries 

Statistics for tantalum oxide

Cite this Entry

“Tantalum oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tantalum%20oxide. Accessed 23 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about

WORD OF THE DAY

bogus

Listen to the pronunciation of bogus

See Definitions and Examples »

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

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