(1) A standard scale of measurement dimensions, diameter, capacity, thickness, etc. (2) A device for measuring. (3) The distance between the rails of a railway.
Gauge blocks
Reference blocks which are used for calibration of precision measuring devices, such as micrometers because they are hardened and finished to within a few millionths of an inch accuracy when used at 68 degrees F and are precise in their dimensions, 3/8 inch by 1 3/8 inches by the dimension the block is representing.
Gauged brick
Brick that has been shaped so that it fits in a certain location.
Gauged mortar
Plaster of Paris mixed mortar to speed the hardening process.
Gauging
Cutting masonry to a certain size.
Gauging block
Wooden block, used to level concrete forms, is attached to a string line, which is suspended from the corners of the forms.
Gauss
The unit of magnetic field intensity equal to 1 dyne per unit pole.
Gazebo
(1) Open structure, supported by columns and covered with a column-supported roof. (2) A windowed balcony, turret or summerhouse used for observing the scenery.
Gazumping
Slang term for the practice of reneging on an oral commitment to buy or sell property because a better opportunity presented itself prior to a legal contract being consummated.
Gear
(1) A toothed wheel or disk, which is designed to mesh with another by interlocking. (2) System of two or more gears meshed together so that the motion of one is passed to the others. (3) Chain driven mechanism that transmits motion and power when it turns.