1

cement

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

Definition of cement

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 :a binding element or agency: such 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
4 :a plastic composition made especially of zinc or silica for filling dental cavities
5 :the fine-grained groundmass or glass of a porphyry

Examples of cement in a Sentence

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

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

Recent Examples of cement from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of cement

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

Other Building Terms


2

cement

verb

Definition of cement

transitive verb
1 :to unite or make firm by or as if by cement
  • Pebbles were cemented together by clay.
  • has cemented his role as a leader on the team
  • —T. W. Smith
2 :to overlay with concrete
  • cemented the cellar floor
intransitive verb
:to become cemented

cementer

noun

Examples of cement in a Sentence

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

Recent Examples of cement from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cement

14th century



CEMENT Defined for English Language Learners

cement

noun

Definition of cement for English Language Learners

  • : 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


cement

verb

Definition of cement for English Language Learners

  • : to join (things) together with cement

  • : to make (something) stronger


CEMENT Defined for Kids

1

cement

noun ce·ment \ si-ˈment \

Definition of cement for Students

1 :a powder that is made mainly from compounds of aluminum, calcium, silicon, and iron heated together and then ground and mixed with water to make mortar and concrete
3 :a substance used to make things stick together firmly

2

cement

verb

Definition of cement for Students

cemented; cementing
1 :to join together with or as if with cement
  • There were sheets of ice … cementing the tops of the hemlocks in arches.
  • —Jean Craighead George, My Side of the Mountain
2 :to make stronger
  • The experience cemented their friendship.

Medical Dictionary

cement

noun ce·ment \ si-ˈment \

medical Definition of cement

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


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