Roman cement


Definition of Roman cement

: a natural cement prepared by calcining septaria and grinding it dry to a fine powder

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 Roman cement

1800, in the meaning defined above

Learn More About Roman cement

Time Traveler for Roman cement

Time Traveler

The first known use of Roman cement was in 1800

See more words from the same year

Dictionary Entries Near Roman cement

Romance language

Roman cement


See More Nearby Entries 

Statistics for Roman cement

Cite this Entry

“Roman cement.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

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