A microtome used to cut frozen tissue.


Related Terms

PLOUGH

A groove cut lengthwise with the grain in a piece of wood.

PIPE CUTTER

A hand tool consisting of a clamplike device with three cutting wheels which are forced inward by screw pressure to cut into a pipe as the tool is rotated around the pipe circumference.

PENETRATION SPEED

The speed at which a drill can cut through rock or other material. penetration test

PELLET MILL

Device for injecting particulate, granular or pasty feed into holes of a roller, then compacting the feed into a continuous solid rod to be cut off by a knife at the periphery of the roller.

PAPERCUTTER

[DESENG] Ahand-operateddevice to cut and trim paper, consisting of a cutting blade bolted at one end to a ruled board; when the blade is drawn flush with the board, which has a metal strip at the cutting edge, a shearing action takes place which cuts the paper cleanly and evenly.

OPENING DIE

A die head for cutting screws that opens automatically to release the cut thread.

NOTCH

1. Rectangular depression extending below the sweep line of the radar indicator in some types of equipment. 2. A Vshaped indentation or cut in a surface or edge.

NONCORING BIT

A general type of bit made in many shapes which does not produce a core and with which all the rock cut in a borehole is ejected as sludge; used mostly for blasthole drilling and in the unmineralized zones in a borehole where a core sample is not wanted. Also known as borehole bit; plug bit.

MAX-FLOW MIN-CUT THEOREM

In the analysis of networks, the concept that for any network with a single source and sink, the maximum feasible flow from source to sink is equal to the minimum cut value for any of the cuts of the network.

LIGHTENING HOLE

An opening cut into a strengthening member that decreases its weight without significantly altering its strength.

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