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see wavewave,
in oceanography, an oscillating movement up and down, of a body of water caused by the frictional drag of the wind, or on a larger scale, by submarine earthquakes, volcanoes, and landslides.
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, in oceanography.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



independent fluctuations of the surface of the ocean or sea during a complete calm, consisting of long and sloping waves up to 10–15 m high and 300–400 m long and with phases of up to 17–20 sec. They result from the conversion of wind waves during their departure from an area of wind activity or after the dying down of winds. Waves of a swell are nearly indistinguishable in terms of size and shape. Particles of water in such waves move in regular circular orbits.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


The volumetric increase of soils on being removed from their compacted beds due to an increase in void ratio.
A local enlargement or thickening in a vein or ore deposit.
A low dome or quaquaversal anticline of considerable areal extent; long and generally symmetrical waves contribute to the mixing processes in the surface layer and thus to its sound transmission properties.
Gently rising ground, or a rounded hill above the surrounding ground or ocean floor.
(mining engineering)
Ocean waves which have traveled away from their generating area; these waves are of relatively long length and period, and regular in character.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


a. the undulating movement of the surface of the open sea
b. a succession of waves or a single large wave
2. a gentle hill
3. Music a crescendo followed by an immediate diminuendo
4. Music
a. a set of pipes on an organ housed in a box (swell box) fitted with a shutter operated by a pedal, which can be opened or closed to control the volume
b. the manual on an organ controlling this
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The 40 durometer compound swelled 61% after only one week in the Ford ATF.
At first, aqueous [BMIM]CI solution was chosen as "swelling agent," in which cellulose can be swollen but not dissolved, after cellulose was swelled 10 maximum, the excessive water in aqueous [BMIM]CI solution was removed at the condition of a certain temperature under vacuum.
Vulcanizates of 16 elastomers in all were tested and it was found that several of them swelled less than those based on NBR and retained tensile strength better after aging in alcohol-gasoline mixtures.
PPO was swelled by the swelling agent for 24 h at room temperature and then a PPO/swelling agent mixture was obtained.
On the basis of the foregoing observations and considering that the SBS weight fraction in the blend is extremely low, it can be reasonably assumed that the continuous phase is actually composed by the thermoplastic elastomer swelled by the miscible bitumen fractions.