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Definition of
dark matter noun
from the Oxford Advanced American Dictionary
dark matter
noun
noun
[
uncountable
]
(
astronomy
)
jump to other results
according to some theories, material that exists in space that does not produce any light
See
dark matter
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
dark matter
Nearby words
darkling
adjective
darkly
adverb
dark matter
noun
dark meat
noun
darkness
noun