acetylene black


Definition of acetylene black

: a carbon black characterized by relatively high electrical conductivity, made by decomposing acetylene (as by pyrolysis in a retort or by explosion), and used chiefly as a filler in dry cells, rubber, and plastics

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!

First Known Use of acetylene black

1898, in the meaning defined above

Keep scrolling for more

Learn More about acetylene black

Time Traveler for acetylene black

Time Traveler

The first known use of acetylene black was in 1898

See more words from the same year

Statistics for acetylene black

Cite this Entry

“Acetylene black.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2021.

Comments on acetylene black

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


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

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


Anagram puzzles meet word search.

Love words? Need even more definitions?

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