clay

clay — noun

1. a soft, sticky natural earth that can be pressed into shapes when wet and become

1.nounB1
Definition

a soft, sticky natural earth that can be pressed into shapes when wet and becomes very hard after drying or heating, used for making pots, bricks, tiles, and other objects

Example

The pottery studio keeps wet <hl>clay</hl> ready for students each morning.

uncountable noun used as a material

Hana molded the soft <hl>clay</hl> into small cups and a teapot.

Common collocations
  • wet clay
  • dry clay
  • modelling clay
  • clay pot
  • clay brick
  • clay soil
  • work with clay
  • shape clay
Synonyms
  • earth

    a broader, everyday term for soil or ground; less specific than clay

  • mud

    wet, soft earth; less formal and less precise than clay

  • pottery clay

    a specific type of clay refined for making ceramic objects

Antonyms
  • sand

    loose, gritty soil that does not hold water or hold a shape like clay

Grammar Patterns

used as a material noun

used as a modifier before a noun (e.g., clay pot)

Usage Note

Usually uncountable. When referring to different varieties used in ceramics, it can be countable (e.g., 'These two clays produce different colours when fired').

Common Mistakes

I bought a clay for my art project.
I bought some clay for my art project.
Clay is uncountable when referring to the material.

2. in tennis, a playing surface made from crushed stone or brick material that slow

2.nounB2
Definition

in tennis, a playing surface made from crushed stone or brick material that slows the ball down and makes it bounce higher than on other surfaces

Example

The French Open is the only Grand Slam tournament played on <hl>clay</hl>.

on clay: surface type in tennis

Diego prefers playing on <hl>clay</hl> because the ball bounces higher and slower.

Common collocations
  • play on clay
  • clay court
  • red clay
  • clay surface
  • clay season
  • clay specialist
Synonyms
  • clay court

    the full term for a tennis court with a clay surface

  • red clay

    a specific type of clay court surface used in Europe and South America

Antonyms
  • grass court

    a tennis court surface made of natural grass

  • hard court

    a tennis court surface made of concrete or acrylic

Grammar Patterns

on + clay

clay + court (compound noun)

Usage Note

Often used without an article in phrases like 'play on clay' (meaning play on a clay court). When specifying a particular court, use the countable form: 'a clay court' or 'clay courts'.

Common Mistakes

He plays on clay court every weekend.
He plays on a clay court every weekend.' or 'He plays on clay every weekend.
Include an article for a specific court; omit it when referring to the surface type in general.

3. a type of tennis played over crushed-stone or brick court surfaces, demanding sp

3.nounB2
Definition

a type of tennis played over crushed-stone or brick court surfaces, demanding special techniques such as sliding and patient defensive rallies

Example

Nadia performs best on <hl>clay</hl>, winning most of her titles on that surface.

on clay: category of tennis play

Young players must learn to slide on <hl>clay</hl> during long rallies.

slide on clay: skill specific to clay play

Common collocations
  • on clay
  • clay specialist
  • clay season
  • play on clay
  • switch to clay
  • good on clay
Synonyms
Antonyms

Grammar Patterns

on + clay (category of play)

clay + noun (as modifier)

Usage Note

Always uncountable in this sense. Used in expressions such as 'good on clay', 'clay specialist', or 'clay season' to describe tennis played on a clay surface as a distinct category. This sense is different from sense 2 (CLAY COURT), which refers to the physical surface itself rather than the style of play.

Idioms

have feet of clay

idiom

To have a hidden flaw or weakness in one's character.

The mayor had feet of clay when he was caught lying.

Did the famous scientist have feet of clay all along?