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sounding2

[soun-ding] /ˈsaʊn dɪŋ/
noun
1.
Often, soundings. the act of measuring the depth of an area of water with or as if with a lead and line.
2.
soundings.
  1. an area of water that can be sounded with an ordinary lead and line, the depth being 100 fathoms (180 meters) or less.
  2. the results or measurement obtained by sounding with a lead and line.
3.
Meteorology. any vertical penetration of the atmosphere for scientific measurement, especially a radiosonde observation.
Idioms
4.
off soundings, Nautical. in waters beyond the 100-fathom (180-meter) depth.
5.
on soundings, Nautical. in waters less than 100 fathoms (180 meters) deep, so that the lead can be used.
Origin
1300-1350
1300-50; Middle English; see sound3, -ing1
Related forms
soundingly, adverb
soundingness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for on soundings

sounding1

/ˈsaʊndɪŋ/
adjective
1.
resounding; resonant
2.
having an imposing sound and little content; pompous: sounding phrases
Derived Forms
soundingly, adverb

sounding2

/ˈsaʊndɪŋ/
noun
1.
(sometimes pl) the act or process of measuring depth of water or examining the bottom of a river, lake, etc, as with a sounding line
2.
an observation or measurement of atmospheric conditions, as made using a radiosonde or rocketsonde
3.
(often pl) measurements taken by sounding
4.
(pl) a place where a sounding line will reach the bottom, esp less than 100 fathoms in depth
5.
on soundings, in waters less than 100 fathoms in depth
6.
off soundings, in waters more than 100 fathoms in depth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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