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oxygen
A gas essential for breathing and combustion.
oxygen burning
reaction of oxygen with a substance to release energy
oxymoron
A phrase combining contradictory terms.
oxytocin
Hormone linked to bonding and love.
oyo
Nigerian state in southwestern Nigeria
oyster
a marine animal with a hard shell, often edible.
ozark
A mountain region in the central United States.
ozawa
A surname of Japanese origin.
ozil
A German football player, Mesut Özil.
ozone
A gas that protects Earth from harmful sun rays.
ozzy
A famous rock musician known for his unique style.