/ˈkɔr ər, ˈkoʊr-/
a person or thing that
a knife or other instrument for
apples, pears, etc.
a device having a hollow cylindrical drill or tube, used for taking samples of earth, rock, etc., from below the surface of the ground or ocean bottom.
The gravity corer requires a power winch as well, to deploy and retrieve the corer.
Sediment sampling devices include a box corer that drops into the mud and brings back a block of near-surface sediment.
Corer deployment can also be difficult under certain conditions.
The main corer is held in position until a weight suspended from the trigger arm contacts the sea floor.
Upon recovering the box corer, the box was immediately removed from the box core frame and placed in a special processing box.
The product is a multipurpose chopper and corer for fruits and vegetables.
Hydraulically-damped corer filled with undisturbed muddy sediment with clear overlying water.
Bottom-sediment cores were collected with a gravity corer mounted on a pontoon boat.
Sediment cores were collected by a gravity corer from a pontoon boat.