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spacesuit

or space suit

[ speys-soot ]
/ ˈspeɪsˌsut /
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noun

a sealed and pressurized suit designed to allow the wearer to leave a pressurized cabin in outer space or at extremely high altitudes within the atmosphere.

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Origin of spacesuit

First recorded in 1935–40; space + suit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for spacesuit

spacesuit
/ (ˈspeɪsˌsuːt, -ˌsjuːt) /

noun

any of various types of sealed and pressurized suits worn by astronauts or cosmonauts that provide an artificial atmosphere, acceptable temperature, radiocommunication link, and protection from radiation for work outside a spacecraft
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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