a large area of floating ice formed over a period of many years and consisting of pieces of ice driven together by wind, current, etc.
- Also called ice pack.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use pack ice in a sentence
Instead, the large chunks—the biggest of which are comparable in size to the area of Alaska—look like they’re jostling together, bumping and sliding against each other like pack ice in the Arctic Ocean.Jostling in Venus’ crust could reveal clues about Earth’s early geology | Monroe Hammond | June 25, 2021 | Popular-Science
These blocks, each about the size of Alaska, seem to have been sluggishly jostling against each other like broken pack ice on a pond or lake.Scientists might have spotted tectonic activity inside Venus | Neel V. Patel | June 21, 2021 | MIT Technology Review
His groundbreaking interventions aboard the Belgica, a Belgian ship stuck fast in the pack ice for more than a year, saved many lives and prefigured established medical science by several decades.The Antarctic Expedition That Changed Modern Medicine | Julian Sancton | May 12, 2021 | Time
Field ice is a term usually applied to frozen sea water floating in much looser form than pack ice.Loss of the Steamship 'Titanic' | British Government
To the north, pack-ice in variable amount is encountered before reaching the wide open ocean.
Towards evening the 'Aurora' turned back to open water and cruised along the pack-ice.
When the high wind blew off shore, there was no backswell, on account of the pack-ice to the north quelling the sea.
The north appeared to be filled with frozen sea though we could not be certain that it was not dense pack-ice.
British Dictionary definitions for pack ice
a large area of floating ice, usually occurring in polar seas, consisting of separate pieces that have become massed together: Also called: ice pack
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 pack ice
The floating sea-ice cover of the polar regions. Driven by winds and ocean currents, pack ice is a mixture of ice fragments of varying size and age that are squeezed together and cover the sea surface with little or no open water. At maximum expansion during the winter, pack ice covers about five percent of Arctic waters and about eight percent of Antarctic waters.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.