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Eng ID Term Definition
5981
wave interference
The PHENOMENON which results when WAVES of the same or nearly the same FREQUENCY are superposed. It is charac­terized by a spatial or tempo­... more
The PHENOMENON which results when WAVES of the same or nearly the same FREQUENCY are superposed. It is charac­terized by a spatial or tempo­ral distribution of AMPLITUDE of some specified charac­teristic differing from that of the individual superpo­sed WAVES.
5982
wave length
The distance between corresponding points of two successive PERIODIC WAVES in the direction of propagation, for which the OSCILLATION has th... more
The distance between corresponding points of two successive PERIODIC WAVES in the direction of propagation, for which the OSCILLATION has the same PHASE. Unit of measurement in METRES. Also written as one word.
5983
wavemeter
An instrument for measuring WAVES. One used for ocean waves usually measures HEIGHT and PERIOD; one used for ELECTROMAGNETIC or SOUND WAVES ... more
An instrument for measuring WAVES. One used for ocean waves usually measures HEIGHT and PERIOD; one used for ELECTROMAGNETIC or SOUND WAVES usually measu­res length. Also written as two words.
5984
wave of translation
A WAVE in which the individual particles of the medium are shifted in the direction of wave travel, as ocean waves in shoal waters. Distin­g... more
A WAVE in which the individual particles of the medium are shifted in the direction of wave travel, as ocean waves in shoal waters. Distin­guished from an OSCILLATORY WAVE.
5985
wave period
The time, in SECONDS, required for a WAVE CREST to traverse a distance equal to one WAVE LENGTH.
5986
wave refraction
See REFRACTION OF WATER WAVES.
5987
wave spectrum
In ocean wave studies, a graph showing the distribution of WAVE HEIGHTS with respect to FRE­QUENCY in a wave record.
5988
wave train
A series of WAVES moving in the same direc­tion. See WAVE: SOLITARY.
5989
wave trough
See TROUGH.
5990
wave velocity
The SPEED at which the individual wave form advances. A vector quantity that specifies the SPEED and direc­tion with which a SOUND WAVE trav... more
The SPEED at which the individual wave form advances. A vector quantity that specifies the SPEED and direc­tion with which a SOUND WAVE travels through a medium.
5991
waxing moon
See PHASES OF THE MOON.
5992
way
The motion of a vessel through the water.
5993
weather
adj.). Of or pertaining to the direction from which the WIND is blowing, as opposed to LEE.
5994
weather
State of the ATMOSPHERE at a given time, as defined by the various meteorological elements.
5995
weather analysis
Operation of studying the general state of the ATMOSPHERE over a region, with respect to SYNOPTIC CHARTS. Also called synoptic analysis.
5996
weather buoy
An Ocean Data Acquisition System (ODAS) used for collecting oceanographic or meteorological information. ODAS buoys are up to 40 feet in dia... more
An Ocean Data Acquisition System (ODAS) used for collecting oceanographic or meteorological information. ODAS buoys are up to 40 feet in diameter.
5997
weather forecast
Statement of the expected meteorolo­gical conditions for a specified period, and for specified area or portion of air space.
5998
weather chart (or map)
See CHART.
5999
weathered ice
Hummocked POLAR ICE subjected to wea­thering which has given the HUMMOCKS and PRESSURE RIDGES a rounded form. If the weathering continues, t... more
Hummocked POLAR ICE subjected to wea­thering which has given the HUMMOCKS and PRESSURE RIDGES a rounded form. If the weathering continues, the surface may become more and more even.
6000
weather ship
See OCEAN STATION VESSEL.