weightless Definition in the Cambridge English Dictionary
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Definition of “weightless” - English Dictionary

Definition of "weightless" - American English Dictionary

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weightlessadjective

 us   /ˈweɪt·ləs/

weightless adjective (NOT HEAVY)

being in a ​state in which gravity (= the ​force by which the ​earthattractsobjects) does not ​causemovement of ​objects: The ​astronauts are weightless in ​space.
weightlessness
noun [U]  us   /ˈweɪt·lə·snəs/
Then the ​rocketmotor will ​shut down and ​passengers will ​experience the ​silence of ​space and the ​magic of weightlessness.
(Definition of weightless from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "weightless" - British English Dictionary

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weightlessadjective

uk   us   /ˈweɪt.ləs/
having or ​appearing to have no ​weight: There is a lot of ​interest in ​carrying out ​experiments in the weightless ​conditions which are ​experiencedaboardspacestations.
weightlessly
adverb uk   us   /-li/
weightlessness
noun [U] uk   us   /-nəs/
(Definition of weightless from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “weightless”
in Chinese (Simplified) 无重量的, 失重的, 似无重量的…
in Chinese (Traditional) 無重量的, 失重的, 似無重量的…
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