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grade
noun
a
number
or
letter
that
shows
how
well
someone
has
done
in
a
test
,
assignment
,
or
course
•
Maria
was
thrilled
to
see
an
A
grade
at
the
top
of
her
essay
.
Maria
was
thrilled
to
see
an
A
grade
at
the
top
of
her
essay
.
•
“
If
you
want
a
higher
grade
,
you
should
revise
your
notes
every
night
,”
the
teacher
advised
.
“
If
you
want
a
higher
grade
,
you
should
revise
your
notes
every
night
,”
the
teacher
advised
.
noun
a
level
of
elementary
or
secondary
school
that
students
enter
each
year
•
Lena
starts
fifth
grade
in
September
.
Lena
starts
fifth
grade
in
September
.
•
In
the
cafeteria
,
kids
from
every
grade
sit
together
at
long
tables
.
In
the
cafeteria
,
kids
from
every
grade
sit
together
at
long
tables
.
noun
a
particular
level
of
quality
,
size
,
or
rank
used
to
classify
things
•
The
chef
insisted
on
the
highest
grade
of
olive
oil
.
The
chef
insisted
on
the
highest
grade
of
olive
oil
.
•
They
sold
construction
lumber
in
premium
and
standard
grades
.
They
sold
construction
lumber
in
premium
and
standard
grades
.
verb
-
grade
,
grading
,
grades
,
graded
to
evaluate
academic
work
and
assign
a
score
or
mark
to
it
•
Ms
.
Patel
stayed
late
to
grade
the
science
quizzes
.
Ms
.
Patel
stayed
late
to
grade
the
science
quizzes
.
•
Professors
grade
essays
according
to
a
detailed
rubric
.
Professors
grade
essays
according
to
a
detailed
rubric
.
noun
the
degree
of
steepness
of
a
road
,
railway
,
or
piece
of
land
•
The
truck
struggled
up
the
6-percent
grade
.
The
truck
struggled
up
the
6-percent
grade
.
•
Engineers
measured
the
grade
before
laying
the
new
track
.
Engineers
measured
the
grade
before
laying
the
new
track
.
verb
-
grade
,
grading
,
grades
,
graded
to
make
a
piece
of
land
or
track
flat
and
even
•
Workers
used
bulldozers
to
grade
the
site
before
construction
began
.
Workers
used
bulldozers
to
grade
the
site
before
construction
began
.
•
The
road
crew
graded
the
gravel
path
after
the
storm
.
The
road
crew
graded
the
gravel
path
after
the
storm
.
upgrade
verb
-
upgrade
,
upgrading
,
upgrades
,
upgraded
to
move
someone
or
something
to
a
higher
level
of
quality
,
value
,
rank
,
or
performance
•
The
airline
upgraded
us
to
first
class
after
our
flight
was
delayed
.
The
airline
upgraded
us
to
first
class
after
our
flight
was
delayed
.
•
I
need
to
upgrade
my
phone
because
its
battery
dies
quickly
.
I
need
to
upgrade
my
phone
because
its
battery
dies
quickly
.
From
up
+
grade
,
first
used
in
19th-century
American
English
to
describe
raising
a
railroad
track
to
a
higher
level
,
later
generalized
to
improvement
.
noun
a
new
improved
version
of
something
,
or
the
act
of
improving
it
•
The
free
software
upgrade
fixed
all
the
bugs
.
The
free
software
upgrade
fixed
all
the
bugs
.
•
Our
kitchen
got
a
major
upgrade
with
new
stainless
steel
appliances
.
Our
kitchen
got
a
major
upgrade
with
new
stainless
steel
appliances
.
Derived
from
the
verb
sense
in
the
mid-20th
century
to
mean
the
result
of
upgrading
.
noun
a
section
of
road
,
track
,
or
path
that
slopes
upward
•
The
cyclists
slowed
down
on
the
steep
upgrade
near
the
finish
line
.
The
cyclists
slowed
down
on
the
steep
upgrade
near
the
finish
line
.
•
The
truck
struggled
to
climb
the
long
upgrade
out
of
the
valley
.
The
truck
struggled
to
climb
the
long
upgrade
out
of
the
valley
.
Originally
19th-century
American
railroad
jargon
combining
up
+
grade
to
describe
a
rising
track
.