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oceanic
Relating to the ocean or seas.
oceanographic
Related to the study of oceans.
oceanography
the study of the ocean and its ecosystems
oceanside
A coastal city in California, known for beaches.
och
An informal expression of surprise or realization.
ochre
A yellowish-brown color.
ocs
Online Charging System for telecommunications
octagon
A shape with eight sides.
octagonal
Having eight sides and eight angles.
octane
A measure of fuel's energy content.
octave
A series of eight musical notes.
octavia
A name often used for characters in stories.
octavian
The name of the first Roman emperor, Augustus.
octopus
A sea creature with eight arms.
ocular
Related to the eye or vision.
oda
Japanese room style, often with tatami
odd
Unusual or different from what is expected.
odd and curious
Strange or unusual in a surprising way.
odd duck
A person who is different or unusual.
odd fish
A strange or unusual person.
oddball
A person who behaves unusually or differently.
oddity
Something unusual or out of the ordinary.
oddly
In a strange or unusual manner.
odds
the ratio of chances for and against