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concentration gradient
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seedy
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adenium obesum
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arteries
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measureless
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fulminate of mercury
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low-spirited
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condescendingly
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blessings
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radiophone
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insidiously
insidiously /ɪnˈsɪdiəsli/
adverb
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(
)
In a harmfully insidious manner
(
perniciously
, insidiously
)
in a harmfully insidious manner
These drugs act insidiously
these drugs act insidiously