UNIT 2 VOCABULARY
Numbers
Prefixes
• UNI = One
• BI
= Two
• DU = Two
• TRI = Three
• DEC = Ten
UNISON
• Prefix: Uni = one
UNISON
The swimmers’ movements
were in perfect unison. It was
as though one brain
controlled all of them.
UNISON
• (n.) perfect agreement or
harmony
UNIQUE
UNIQUE
Due to their unique nature,
fingerprints are accepted as
definitive proof of identity.
UNIQUE
• (adj.) special, one of a kind
UNIFY
UNIFY
Benjamin Franklin hoped to
unify the colonies under one
general government in order
to defeat the French.
UNIFY
• (v.) to bring people together to
make one
BILINGUAL
Prefix: Bi = two, twice
BILINGUAL
The bilingual student, who
speaks both English and
Spanish, was very helpful
to the new student from
Cuba.
BILINGUAL
• (adj.) able to speak two languages
BILATERAL
Prefix: Bi = two, twice
BILATERAL
The elaborate patterns on
the wings of butterflies are
examples of bilateral
symmetry.
BILATERAL
• (adj.) having two sides
BIPARTISAN
Prefix: Bi = two, twice
BIPARTISAN
The bipartisan committee was
made up of equal members
from both the Democratic and
Republican political parties.
BIPARTISAN
• (adj.) involving two political
parties
DUPLICATE
Prefix: Du = two
DUPLICATE
Ms. Fleetwood, could you
duplicate this worksheet
for me if I lose the one
you just gave me?
DUPLICATE
• (v.) to make a copy of; to repeat
TRILOGY
Prefix: Tri = Three
TRILOGY
The books in the Star Wars
trilogy are three related
novels about an epic battle
for control of the galaxy.
TRILOGY
• (n.) a group of three related works,
especially of literature
• (n.) a series of three related things
TRIUMVIRATE
Prefix: Tri = Three
TRIUMVIRATE
The first triumvirate, Caesar,
Crassus, and Pompeius, ruled
the ancient world.
TRIUMVIRATE
• (n.) a group of three people
who share authority and
power
DECIMATE
Prefix: Dec = Ten
DECIMATE
The bombs decimated the entire city,
and it took years to rebuild the
homes and businesses.
DECIMATE
• (v.) To kill off a large proportion of
something
• (v.) To destroy
PREFIX REVIEW
• UNI = One
• BI
= Two
• DU = Two
• TRI = Three
• DEC = Ten