TERMIUM Plus®

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GRAB SAMPLER [1 record]

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Alphabetical list of terms

Record 1 2012-05-10

English

Subject field(s)
  • Scientific Research Equipment
  • Geological Research and Exploration
  • Oceanography
DEF

A sampling device, often spring loaded, that bites a chunk of sediment out of the sea bed.

CONT

A grab sampler generally consists of a pair of jaws, which closes upon impacting the bottom, and brings a small(a few cubic inches...) sample of the bottom material to the surface for identification and analysis on board ship, and later in a shore-based laboratory. The jaws close either by means of a mechanical device that holds the jaws apart by the tension of their weight force during descent, but releases on striking the bottom, or by a spring that snaps the jaws shut as soon as the jaws strike the bottom.

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)
  • Recherches et prospections géologiques
  • Océanographie
DEF

Appareil utilisé pour prélever un sédiment.

OBS

Il consiste généralement soit en une paire de mâchoires qui se referment sur le sédiment, soit en un godet qui se retourne en mordant dans le sédiment lorsqu'il touche le fond [de l'océan].

Spanish

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© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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