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Forces that are acting toward each other and will tend to press together or compact the body.



Related Terms

CONVERGE

To tend to come together

DANGEROUS SEMICIRCLE

The half of a cyclonic Storm in which the rotary and forward motions of the storm reinforce each other and the winds tend to blow a vessel into the storm track. In the Northern Hemisphere this is to the right of the storm center (when facing the direction the storm is moving) and in the Southern Hemisphere it is to the left. The opposite is the LESS DANGEROUS or NAVIGA- BLE SEMICIRCLE.

NAVIGABLE SEMICIRCLE

The half of a cyclonic storm area in which the rotary and forward motions of the storm tend to counteract each other and the winds are in such a direction as to tend to blow a vessel away from the storm track. In the Northern Hemisphere this is to the left of the storm center and in the Southern Hemisphere it is to the right.

PRECESSION

The change in the direction of the axis of rotation of a spinning body, as a gyroscope, when acted upon by a torque. The direction of motion of the axis is such that it causes the direction of spin of the gyroscope to tend to coincide with that of the impressed torque. The horizontal component of precession is called drift, and the vertical component is called topple. Also called INDUCED PRECESSION, REAL PRECESSION.

TEND

To extend in a stated direction, as an anchor cable.

EDDY CURRENT

Currents caused by changing magnetic fields produced in armature and field cores of electrical machines that tend to interfere with the production of emf in the armature windings.

NEGATIVE VALENCE

Having a negative charge. Group V, VI, and VII elements on the periodic table form negative ions and tend to accept electrons.

QUARTERMASTER

Senior seaman whose duties are to steer and tend the gangways.

COMPRESSION TEST

A test to determine compression strength, usually applied to materials of high compression but low tensile strength, in which the specimen is subjected to increasing compressive forces until failure occurs.

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