Word Study
Crossroads Middle School
7th Grade
Trimester One
*Updated September 2015
cent
●Language of Origin: Latin
●Definition: hundred
●century
●centennial
century
●Part of speech: noun
●Definition: a period of 100 years
●Sentence:
Millions of people celebrated the beginning
of the 21st century on January 1, 2000.
centennial
● Part of speech: adjective
● Definition: relating to the 100th
anniversary or its celebration
● Sentence:
The year 1965 was the centennial year for
the ending of the US Civil War.
deca / deci
●Language of Origin: Greek / Latin
●Definition: ten
● decimate
● decade
● decimal
decimate
● Part of speech: verb
● Definition: to cause great destruction or
harm
● Sentence:
Moths can decimate thousands of trees in a
forest by eating all the leaves.
decade
●Part of speech: noun
●Definition: a period of 10 years
●Sentence:
The bridge was built a decade ago so it will
be inspected this year at the ten-year
mark.
decimal
●Part of speech: adjective
●Definition: relating to any real number
expressed in base 10
●Sentence:
In the number 8.901, the 9 is in the first
decimal place.
omni
●Language of Origin: Latin
●Definition: all, every
● omniscient
●omnipresent
omniscient
●Part of speech: adjective
●Definition: having universal or complete
knowledge
●Sentence:
The omniscient narrator knew every single
detail in the story.
omnipresent
●Part of speech: adjective
●Definition: existing in all places at all
times
●Sentence:
We are seeking some much-needed relief
from the omnipresent noise of the big city.
pan
●Language of Origin: Greek
●Definition: all, entire
● panorama
● pandemic
panorama
● Part of speech: noun
● Definition: a full and clear view in
every direction
● Sentence:
We admired the beautiful panorama from
the top of the mountain.
pandemic
● Part of speech: noun
● Definition: a fast spreading disease
occurring over a wide geographic area
affecting many people
● Sentence:
The pandemic caused illness throughout
the entire country because it was such a
contagious disease.
equi
●Language of Origin: Latin
●Definition: same, equal
● equitable
● equivalent
● equilibrium
equitable
● Part of speech: adjective
● Definition: being fair or just
● Sentence:
The lawyers were pleased with the judge’s
equitable ruling.
equivalent
● Part of speech: adjective
● Definition: alike or equal in number,
value, or meaning
● Sentence:
At Crossroads, a 90 is equivalent to an
“A” on the report card.
equilibrium
● Part of speech: noun
● Definition: a state of physical or
emotional balance
● Sentence:
Because her equilibrium was off, she kept
falling down.
vor
●Language of Origin: Latin
●Definition: eat, consume
● voracious
● omnivorous
● devour
voracious
● Part of speech: adjective
● Definition: having a huge appetite,
ravenous; eager
● Sentence:
Since he is a growing boy, Jon has a
voracious appetite.
omnivorous
● Part of speech: adjective
● Definition: feeding on both animal
and vegetable substances
● Sentence:
A bear is an omnivorous animal and will
eat almost anything!
devour
● Part of speech: verb
● Definition: to eat eagerly or hungrily
● Sentence:
After their swim, Abby and Jess devoured
their sandwiches.
ped / pod
●Language of Origin: Latin/Greek
●Definition: foot
● pedestrian
● hexapod
pedestrian
● Part of speech: noun
● Definition: a person moving on foot;
a walker
● Sentence:
A pedestrian has the right of way when
crossing the street.
hexapod
● Part of speech: noun
● Definition: an insect or object with six
legs
● Sentence:
The strange looking insect was a hexapod.
mort
●Language of Origin: Latin
●Definition: death
● mortify
● immortalize
mortify
● Part of speech: verb
● Definition: to embarrass greatly;
humiliate
● Sentence:
Sometimes parents mortify their children
when they dance in public.
immortalize
● Part of speech: verb
● Definition: creating a living or
lasting memory
● Sentence:
The city will immortalize the heroes by
building a statue for them.