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rocket science
1 ENTRIES FOUND:
rocket science
(noun)
rocket science
noun
rocket science
noun
Britannica Dictionary definition of ROCKET SCIENCE
[
noncount
]
1
:
the science of designing or building rockets
2
:
something that is very difficult to learn or understand
The job is challenging, but it's not exactly
rocket science
.
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— rocket scientist
noun
,
plural
rocket scientists
[
count
]
You don't have to be a
rocket scientist
[=you don't have to be unusually smart] to understand the instructions.
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replenish
:
to fill or build up (something) again (
somewhat formal
)
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