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actinomorphic
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instrument
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ashes
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lacquey
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adamance
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acorn-shaped
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acidulous
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goading
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propulsion
propulsion /prəˈpʌlʃən/
noun
-
The act of propelling
(
actuation
, propulsion
)
the act of propelling
-
A propelling force
(
propulsion
)
a propelling force