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Total record count: 6269.

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Eng ID Term Definition
2421
impulse
See PULSE.
2422
inch
A unit of length equal to 1/12 of a FOOT or 2.54 cm.
2423
incidence: angle of
See ANGLE OF INCIDENCE.
2424
incident nodal point
See NODAL POINT.
2425
incineration areas (at sea)
An offshore area offici­al­ly designated as suitable for the burning of chemical waste by specially equipped ships.
2426
inclination
The angle which a line or surface makes with the VERTICAL, horizontal or with another line or surface.
2427
inclination: magnetic
See DIP.
2428
inclination of the horizontal axis
The vertical angle between the HORIZONTAL AXIS of a surveying or astronomi­cal instrument and the plane of the HORIZON.
2429
inclinometer
An instrument for measuring the INCLINA­TION to the horizontal of the longitudinal axis of an aircraft. See DIP CIRCLE, WIRE ANGLE INDICATO... more
An instrument for measuring the INCLINA­TION to the horizontal of the longitudinal axis of an aircraft. See DIP CIRCLE, WIRE ANGLE INDICATOR.
2430
indelta
Inland area where a RIVER subdivides (now in common use, especially in Australia).
2431
indentation
A recess in a COASTLINE.
2432
index arm
A slender bar carrying an index; par­ticu­larly that bar which pivots at the centre of curvatu­re of the arc of a MARINE SEXTANT and carr... more
A slender bar carrying an index; par­ticu­larly that bar which pivots at the centre of curvatu­re of the arc of a MARINE SEXTANT and carries the index and the VERNIER or MICROMETER. Also called index bar.
2433
index bar
See INDEX ARM.
2434
index chart
See CHART.
2435
index contours
Certain CONTOUR LINES (usually every fifth) accentuated by use of a line heavier than the intervening ones.
2436
index correction
That CORRECTION due to INDEX ERROR.
2437
index error
See ERROR.
2438
index glass
See INDEX MIRROR.
2439
index mark
In PHOTOGRAM­METRY, a real mark (such as a cross or dot) lying in the plane or the object space of a PHOTOGRAPH and used singly as a refere... more
In PHOTOGRAM­METRY, a real mark (such as a cross or dot) lying in the plane or the object space of a PHOTOGRAPH and used singly as a reference mark in certain types of monocular instruments, or as one of a pair to form a FLOATING MARK (as in certain types of STEREOSCOPES).
2440
index map
See MAP.