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Total record count: 6269.

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Eng ID Term Definition
5841
velocity
A vector quantity equal to SPEED in a given direction.
5842
velocity of sound
See SOUND VELOCITY.
5843
veneer
A thin LAYER of SEDIMENT covering a rocky surface.
5844
vent
The orifice through which molten LAVA reaches the CRATER of a volcano. Eventually it may become choked as the LAVA solidifies to form a plug... more
The orifice through which molten LAVA reaches the CRATER of a volcano. Eventually it may become choked as the LAVA solidifies to form a plug or neck.
5845
Venturi tube
The trade name for a short tube of smal­ler diameter in the middle than at the ends. When a fluid flows through such a tube, the pressure d... more
The trade name for a short tube of smal­ler diameter in the middle than at the ends. When a fluid flows through such a tube, the pressure decr­eases as the diameter becomes smaller, the amount of the decrease being proportional to the SPEED of FLOW and the amount of restriction.
5846
vernal equinox
See EQUINOX.
5847
vernier
A short, auxiliary SCALE situated alongside the graduated SCALE of an instrument, by means of which fractional parts of the smallest divisio... more
A short, auxiliary SCALE situated alongside the graduated SCALE of an instrument, by means of which fractional parts of the smallest division of the prima­ry SCALE can be measured accurately.
5848
vertex
(pl. vertices). The highest point; the vertices of a GREAT CIRCLE are the points nearest the POLE. See APEX.
5849
vertical
(adj.). In the DIRECTION OF GRAVITY; perpendicular to the plane of the HORIZON.
5850
vertical
(n.). The direction in which the force of GRAVITY acts. A vertical line, plane, etc.
5851
vertical axis
See AXIS.
5852
vertical circle
See CIRCLE.
5853
vertical clearance
The minimum vertical space availa­ble for passage.
5854
vertical collimator
See COLLIMATOR.
5855
vertical control
See CONTROL.
5856
vertical control datum
See DATUM.
5857
vertical deflection
See DEFLECTION OF THE VERTICAL.
5858
vertical dilution of precision
See DILUTION OF PRECI­SION.
5859
vertical intensity of the earth's magnetic field
The strength of the vertical component of the EARTH's MAGNETIC FIELD.
5860
vertical light(s)
See LIGHT.