- a U.S. earth-orbiting space station that was periodically staffed by three separate crews of astronauts and remained in orbit 1973–79.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a US space station launched in May 1973 into an orbit inclined at 50° to the equatorial plane at a mean altitude of 430 kilometres (270 miles), the astronauts working there under conditions of zero gravity. It disintegrated, unmanned, in 1979, with some parts landing in the outback of Australia
C20: from sky + lab (oratory)
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
Word Origin and History for skylab
Online Etymology Dictionary, © 2010 Douglas Harper