Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

cement

play
noun ce·ment \si-ˈment also ˈsē-ment\

Simple Definition of cement

  • : a soft gray powder that is mixed with water and other substances to make concrete

  • : the hard substance that is made when cement is mixed with water and allowed to dry

  • : a substance that is used to make things stick together

Full Definition of cement

  1. 1 a :  concrete b :  a powder of alumina, silica, lime, iron oxide, and magnesium oxide burned together in a kiln and finely pulverized and used as an ingredient of mortar and concrete; also :  any mixture used for a similar purpose

  2. 2 :  a binding element or agency: as a :  a substance to make objects adhere to each other b :  something serving to unite firmly <justice is the cement that holds a political community together — R. M. Hutchins>

  3. 3 :  cementum

  4. 4 :  a plastic composition made especially of zinc or silica for filling dental cavities

  5. 5 :  the fine-grained groundmass or glass of a porphyry

Examples of cement

  1. There is a layer of cement under the bricks.

  2. <what kind of cement works best on glass and pottery?>



Origin of cement

Middle English sement, from Anglo-French ciment, from Latin caementum stone chips used in making mortar, from caedere to cut


First Known Use: 14th century

Other Building Terms


2

cement

verb ce·ment

Simple Definition of cement

  • : to join (things) together with cement

  • : to make (something) stronger

Full Definition of cement

  1. transitive verb
  2. 1 :  to unite or make firm by or as if by cement

  3. 2 :  to overlay with concrete

  4. intransitive verb
  5. :  to become cemented

ce·ment·er noun

Examples of cement

  1. A win would cement her reputation as a strong competitor.



14th Century

First Known Use of cement

14th century


Medical Dictionary

cement

play
noun ce·ment \si-ˈment\

Medical Definition of cement

  1. 1:  cementum

  2. 2:  a plastic composition made especially of zinc or silica for filling dental cavities






Seen and Heard

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

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 16.96 pounds 196.5 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ