adamantane

noun

ad·​a·​man·​tane
ˌa-də-ˈman-ˌtān
plural -s
: a crystalline high-melting hydrocarbon C10H16 having the carbon atoms of its skeleton in the same tricyclic pattern found in the space lattice of the diamond; symmetrical tricyclo-decane

Word History

Etymology

International Scientific Vocabulary adamant entry 2 + -ane; probably originally formed as German adamantan

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of adamantane was in 1933

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!

Dictionary Entries Near adamantane

Cite this Entry

“Adamantane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adamantane. Accessed 21 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!