Definition of piston corer in English:

piston corer


  • A piston-driven cylindrical device for taking samples of material from the seabed.

    • ‘A piston corer consists of a tubular barrel driven into the sediment by a large weighted head.’
    • ‘The piston corer is designed to take samples from soft cohesive soils.’
    • ‘Cores were collected by piston corer, extruded in the field, and the top one or two centimeters were used for chironomid analysis.’