The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
Browse Words Ohio to Orion
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
« Previous
Next »
Ohio
Okeechobee, Lake
Okefenokee
Okhotsk, Sea of
Okinawa
Oklahoma
Olathe
Old English
Old Glory
Old Nick
Old Testament
Old World
Olduvai Gorge
Olympiad
Olympian
Olympic
Olympics
Olympus
Omaha
Oman
Omsk
Ontario
Orange
Ordinary level
Oregon
Orient
Oriental
Oriental rug
Orinoco
Orion
« Previous
Next »
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
replenish
:
to fill or build up (something) again (
somewhat formal
)
Learn More »
