Cement being poured at a construction site.
- The definition of cement is anything that binds, particularly a substance made of burned lime, clay, sand and water to make mortar or sand, water and gravel to make concrete.
An example of cement is the material used for a foundation of a house.
- Cement means to join together or cover with a binding agent, particularly a substance made of burned lime, clay, sand and water.
An example of cement is to fix a hole in the sidewalk.
- a powdered substance made of burned lime and clay, mixed with water and sand to make mortar or with water, sand, and gravel to make concrete: the mixture hardens when it dries
- concrete: a loose usage
- any soft substance that fastens things together firmly when it hardens, as glue
- anything that joins together or unites; bond
- the fine-grained material that binds together the larger constituents in many kinds of sedimentary or clastic rock
- Dentistry a cementlike substance used to fill cavities, set crowns, etc.
- Metallurgy a dust or powder, as of charcoal or sand, or a finely divided metal, used in cementation
Origin of cementMiddle English and amp; Old French ciment ; from Classical Latin caementum, rough stone, chippings ; from an unverified form caedimentum ; from caedere, to cut down: see -cide
- to join or unite with or as with cement
- to cover with cement
- to establish firmly or make stronger: to cement a friendship
- a. A building material made by grinding calcined limestone and clay to a fine powder, which can be mixed with water and poured to set as a solid mass or used as an ingredient in making mortar or concrete.b. Portland cement.c. Concrete.
- A substance that hardens to act as an adhesive; glue.
- Something that serves to bind or unite: “Custom was in early days the cement of society” (Walter Bagehot).
- Geology A chemically precipitated substance that binds particles of clastic rocks.
- Dentistry A substance used for filling cavities or anchoring crowns, inlays, or other restorations.
- Variant of cementum.
verbce·ment·ed, ce·ment·ing, ce·ments
- To bind with or as if with cement.
- To cover or coat with cement.
Origin of cementMiddle English, from Old French ciment, from Latin caementum, rough-cut stone, rubble used in making concrete, from caedere, to cut; see ka&schwa;-id- in Indo-European roots.
(countable and uncountable, plural cements)
- (uncountable) A powdered substance that develops strong adhesive properties when mixed with water.
- (uncountable) The paste-like substance resulting from mixing such a powder with water.
- (uncountable) Any material with strong adhesive properties.
- (figuratively) Bond of union; that which unites firmly, as persons in friendship or in society.
- the cement of our love
- (anatomy) The layer of bone investing the root and neck of a tooth; cementum.
(third-person singular simple present cements, present participle cementing, simple past and past participle cemented)
From Old French ciment, from Latin caementum (“quarry stone; stone chips for making mortar”), from caedo (“I cut, hew”).