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cement

1 of 2noun
/sɪˈmɛnt/
Forms:cements
1

a gray powdery substance that becomes hard if it is mixed with water and sand, used for construction purposes such as sticking bricks of a wall together

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Cement is a fine powder made from a mixture of minerals like limestone and clay. When mixed with water, it forms a paste that hardens over time, becoming a strong material used in construction. Cement is a key ingredient in making concrete and mortar, which are commonly used for building foundations, walls, and floors. It is known for its durability and ability to withstand pressure, making it a crucial material in both small and large-scale building projects.

  • The construction crew poured cement into the foundation trenches, beginning the process of building the new house.
  • The sidewalks were cracked and uneven, in need of repair and fresh cement.
  • The cement mixer churned as workers prepared batches of concrete for the building project.
  • The ancient Roman aqueducts were constructed using a mixture of cement, sand, and volcanic ash.
  • She smoothed the wet cement with a trowel, carefully shaping it into the desired form for the garden path.
2

a paved surface made of concrete

  • The children played on the cement outside the school.
  • Workers patched cracks in the cement.
  • Workers repainted the parking lines on the cement.
  • He walked carefully across the wet cement.
  • The children played hopscotch on the cement.
3

any material that hardens to bind, adhere, or fasten objects together

  • Epoxy acts as a strong cement for metal parts.
  • Resin-based cement is used for woodworking.
  • The model was held together with a special cement.
  • Adhesive cement dries hard and durable.
4

a calcified tissue covering the root of a tooth, anchoring it in the jaw

  • The dentist examined the cement around the molars.
  • Cement attaches the tooth root to the periodontal ligament.
  • Erosion of cement can lead to tooth instability.
  • X-rays revealed a thin layer of cement over the roots.
  • The health of the cement affects overall dental stability.
Synonyms:
cementum
5

any of various materials used in dentistry to fill cavities or secure prosthetics

  • The dentist applied a dental cement to seal the cavity.
  • Dental cement must set quickly and bond securely.
  • Zinc phosphate cement is common in restorative dentistry.
  • Temporary cement holds orthodontic appliances in place.
  • The patient tolerated the cement well during the filling.