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acetylate
acetylcholine
acetylcholinesterase
acetylene
acetylide
acetylsalicylic acid
acey-deucy
ACH
ach
Achaea
Achaean
Achaemenid
Achaia
achalasia
achar
acharya
achcha
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ach

ach [ aakh ]


interjection 
Definition:
 
Scotland oh: used to express emotion, e.g. annoyance, surprise, or resignation, often as an introduction to saying something

[15th century. < Celtic]
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