Simple Definition of blastoff

from our Learner's Dictionary

blastoff

noun

ˈblæstˌɑf

British ˈblɑːstˌɒf

plural blastoffs

: the time when a rocket, missile, etc., begins to rise into the air : launch

ten minutes until blastoff

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“Blastoff.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/blastoff. Accessed 16 Jun. 2026.

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