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ow
An expression of sudden pain.
owe
to be indebted to someone
owl
A nocturnal bird known for its wisdom.
owner
Person who possesses something.
ownership
the act of possessing something
OWS
Occupy Wall Street, a protest movement.
ox
A large domesticated animal for work.
ox is in the ditch
a problem that needs urgent attention
Oxfam
International organization working to alleviate poverty.
Oxfordshire
A county in England known for its countryside.
oxidase
An enzyme that speeds up a reaction with oxygen.
oxidation
Chemical reaction involving oxygen and another substance.
oxidative
involving a chemical reaction with oxygen
oxide
A compound of oxygen with another element.
oxidize
To combine with oxygen.
oxon
A toxic compound used in some chemical pesticides.
oxy
Short for a strong pain medication.
oxycodone
A prescription pain medication.
oxygen
A gas essential for breathing and combustion.
oxygen burning
chemical reaction with a gas to release energy
oxymoron
A phrase combining contradictory terms.
oxytocin
Hormone linked to bonding and love.
Oyo
Nigerian state in southwestern Nigeria
oyster
a sea creature in a rough shell that makes pearls