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perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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< pyrophosphoric acid
pyrosis >
py·ro·phyl·lite
(p
r
-f
l
t
, p
-r
f
-l
t
)
KEY
NOUN:
A silvery white or pale green aluminum silicate mineral, Al
2
Si
4
O
10
(OH)
2
, occurring naturally in soft compact masses.
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