Longman Dictionary of Contemporary English homepage

countdown

noun
     
count‧down [countable usually singular]
1 the period of time before something happens, such as a spacecraft being launched, when someone counts backwards until the event happens
2 the period of time before an important event, when people become more and more excited about it
countdown to
the countdown to the World Cup
WORD FOCUS: space WORD FOCUS: space
vehicles used in space: spaceship, spacecraft, rocket, (space) shuttle, probe, satellite, space station

someone who travels in space: astronaut, cosmonaut Russian

parts of a rocket's journey: countdown, launch, blast-off/take-off/lift-off, leaving the earth's atmosphere, going into orbit, re-entering the earth's atmosphere, splashdown/touchdown

places and things in space: planet, moon, star, sun, satellite, solar system, constellation, galaxy, universe, the cosmos, black hole, quasar, comet, meteor, asteroid

the study of space: astronomy
space

See also
space

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