Words / B2

KAV-uh-tee/ˈkævəti/

A cavity is a hole or empty space inside a solid object, a tooth, or the body: a body cavity; a cavity wall. Hole is everyday; vacuum is empty of air. Label the body cavity on the diagram. Mix-up: cave (already in the dictionary); cavalry. Do not write cavity for an open ditch.

Meaning

A hole or empty space inside a solid object, a tooth, or the body.

Examples

• “Label the body cavity on the diagram, not a dentist advert.”
• “Cavity-wall insulation featured in the energy case, which is the building sense.”

Good to know

a body / tooth cavity; cavity wall. Everyday: hole. Trap: cave / cavalry. Biology, health, and design. A hollow inside something, not a canyon.

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