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Beginning
1
English
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1.1
Noun
1.2
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OPN
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From Wiktionary, the free dictionary
See also:
opn
English
[
edit
]
Noun
[
edit
]
OPN
(
plural
OPNs
)
Initialism of
omnipause
neuron
.
Anagrams
[
edit
]
Nop
,
pon
,
PON
,
nop
,
NOP
,
Pon
,
NPO
,
'pon
,
ONP
Categories
:
English lemmas
English nouns
English countable nouns
English initialisms
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