cement

cement — noun

1. A fine powder made from minerals that hardens after water is added. Builders mix

1.名詞B1
釋義

A fine powder made from minerals that hardens after water is added. Builders mix it with sand and stones to create a solid building material used for walls, paths, and floors.

例句

The construction workers mixed cement with water and sand to build the new garden wall.

collocation: mix cement with water and sand

A truck delivered fifteen bags of cement to the building site early this morning.

同義詞
  • concrete

    Concrete is the final hard material; cement is just one ingredient in it — do not use these words as exact synonyms.

  • mortar

    Mortar is a mix of cement, sand, and water used to bond bricks, while concrete includes gravel for structural strength.

常見錯誤

The driveway is made of cement.
The driveway is made of concrete.
💡Cement is the dry powder ingredient; the hard surface we walk on is concrete (cement + sand + gravel + water).

2. Any thick, sticky substance used to join two surfaces or to fill cracks, sold in

2.名詞B1
釋義

Any thick, sticky substance used to join two surfaces or to fill cracks, sold in tubes or pots for household or workshop repairs.

例句

Ravi used strong cement to stick the broken handle back onto his favourite mug.

collocation: strong cement

Aiko bought cement at the hardware store to repair her cracked flower pot.

同義詞
  • glue

    Glue is a general term for any adhesive; cement usually implies a stronger or more hard-wearing bond for harder surfaces.

  • adhesive

    Adhesive is a more formal, technical term covering all sticky bonding substances including cement.

常見錯誤

I used cement to glue the paper together.
I used craft glue to stick the paper.
💡Cement usually refers to strong adhesives for hard materials like metal, tile, or plastic, not for paper.

3. A shared quality — such as a language, belief, memory, or goal — that keeps a gr

3.名詞B2
釋義

A shared quality — such as a language, belief, memory, or goal — that keeps a group of people strongly connected and working together.

例句

The shared language served as a cement that held the community together across four generations.

figurative use: cement that holds [group] together

Music can act as a powerful social cement, bringing together people from very different backgrounds.

compound: social cement

同義詞
  • bond

    Bond focuses on the emotional connection itself; cement focuses on the force that creates and maintains that connection.

  • glue

    Glue is used in the same figurative way ('the glue that holds a team together') but feels slightly more informal than cement.

  • link

    Link is more neutral and less emotionally strong than cement — a link connects, but cement binds firmly.

反義詞
  • division

    Division is a force that separates people, opposite to the uniting force of cement.

用法筆記

Almost always used in figurative or metaphorical contexts, often in the phrase 'the cement that holds (a group) together.' Avoid using this sense when talking about physical building materials.

cement — verb