Nansen bottle


noun Oceanography.

a waterproof container for taking samples of ocean water, several usually being lowered open on a line and each being closed at the desired depth by the action of a falling weight.

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decorum

Origin of Nansen bottle

after F. Nansen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nansen bottle

Nansen bottle

noun

an instrument used by oceanographers for obtaining samples of sea water from a desired depth

Word Origin for Nansen bottle

C19: named after F. Nansen
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

Scientific definitions for nansen bottle

Nansen bottle
[ nănsən, nän- ]

An ocean-water sampling bottle with spring-loaded valves at both ends that are closed at an appropriate depth by a messenger device sent down the wire connecting the bottle to the surface. The Nansen bottle has been replaced by the Niskin bottle, which is made of plastic and thus does not corrode like Nansen's metal bottle. These plastic bottles, however, are frequently referred to as Nansen bottles because their basic design is the same. The Nansen bottle was named for its inventor, Norwegian explorer Fridtjof Nansen (1861-1930).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.