Definition of pressure-treated in English:

pressure-treated

adjective

  • 1Of timber: impregnated with a preservative applied under pressure.

  • 2Biology. Of cells, organisms, etc.: deliberately subjected to increased pressure.

Origin

1920s; earliest use found in Iowa Recorder. From pressure-treat + -ed.

Pronunciation

pressure-treated

/ˈprɛʃəˌtriːtɪd/