transfer window (English, noun)
expansion: transfer window (plural transfer windows)
Senses:
topics: aerospace
business
engineering
natural-sciences
physical-sciences
space-science
glosses: A period of time during which a spacecraft orbiting one celestial body can travel to a different body and enter orbit around it without excessive expenditure of fuel or reaction mass.
topics: ball-games
games
hobbies
lifestyle
soccer
sports
glosses: A period of time during the year in which soccer players may be bought or sold between professional clubs.
Forms:
form: transfer windows
tags: plural