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STEM
noun
-
STEM
an
educational
field
or
program
focusing
on
Science
,
Technology
,
Engineering
,
and
Mathematics
β’
Many
schools
encourage
girls
to
enter
STEM
careers
.
Many
schools
encourage
girls
to
enter
STEM
careers
.
β’
He
applied
for
a
scholarship
in
STEM
subjects
.
He
applied
for
a
scholarship
in
STEM
subjects
.
Coined
in
the
early
2000s
in
the
United
States
as
an
acronym
of
Science
,
Technology
,
Engineering
,
and
Mathematics
.
system
noun
a
group
of
connected
parts
that
work
together
as
a
single
whole
β’
The
solar system
contains
eight
planets
circling
the
Sun
.
The
solar system
contains
eight
planets
circling
the
Sun
.
β’
The
city's
new
bus
system
links
every
neighborhood
.
The
city's
new
bus
system
links
every
neighborhood
.
From
Latin
β
systema
β,
from
Ancient
Greek
β
sΓΊstΔma
β
meaning
β
organized
whole
β.
noun
an
organized
method
or
set
of
rules
for
doing
something
β’
She
created
a
color-coded
filing
system
to
keep
her
paperwork
organized
.
She
created
a
color-coded
filing
system
to
keep
her
paperwork
organized
.
β’
The
points
system
rewards
students
for
helping
classmates
.
The
points
system
rewards
students
for
helping
classmates
.
noun
the
body
of
a
human
or
animal
thought
of
as
a
working
whole
,
or
a
particular
network
of
organs
β’
After
the
long
flight
,
her
system
was
tired
and
dehydrated
.
After
the
long
flight
,
her
system
was
tired
and
dehydrated
.
β’
Vitamin
C
boosts
the
immune
system
.
Vitamin
C
boosts
the
immune
system
.
noun
a
complete
computer
together
with
its
operating
software
and
hardware
β’
My
old
system
can
β
t
run
the
latest
game
.
My
old
system
can
β
t
run
the
latest
game
.
β’
The
new
security
system
blocks
unknown
devices
.
The
new
security
system
blocks
unknown
devices
.
stem
noun
the
main
upright
or
bending
part
of
a
plant
that
supports
the
leaves
,
flowers
,
or
fruit
β’
The
rose's
stem
was
covered
with
tiny
thorns
.
The
rose's
stem
was
covered
with
tiny
thorns
.
β’
Water
travels
up
the
stem
to
reach
the
leaves
.
Water
travels
up
the
stem
to
reach
the
leaves
.
Old
English
stemn
β
supporting
trunk
of
a
tree
;
prow
of
a
ship
β,
from
Proto-Germanic
*stamniz
.
noun
the
long
thin
part
of
an
object
such
as
a
wine
glass
,
pipe
,
or
goblet
that
connects
the
base
to
the
bowl
or
head
β’
He
held
the
champagne
glass
by
the
stem
to
keep
the
drink
cold
.
He
held
the
champagne
glass
by
the
stem
to
keep
the
drink
cold
.
β’
Dust
gathered
around
the
metal
stem
of
the
old
lamp
.
Dust
gathered
around
the
metal
stem
of
the
old
lamp
.
verb
-
stem
,
stemming
,
stems
,
stemmed
to
stop
or
slow
the
flow
or
spread
of
something
,
especially
liquid
,
people
,
or
problems
β’
He
pressed
a
cloth
on
the
wound
to
stem
the
bleeding
.
He
pressed
a
cloth
on
the
wound
to
stem
the
bleeding
.
β’
New
measures
were
introduced
to
stem
the
rise
in
fraud
.
New
measures
were
introduced
to
stem
the
rise
in
fraud
.
noun
in
linguistics
,
the
main
part
of
a
word
to
which
prefixes
or
suffixes
are
added
β’
In
β
friendship
,β β
friend
β
is
the
word
β
s
stem
.
In
β
friendship
,β β
friend
β
is
the
word
β
s
stem
.
β’
Removing
the
ending
β
-ed
β
from
β
walked
β
leaves
the
stem
β
walk
.β
Removing
the
ending
β
-ed
β
from
β
walked
β
leaves
the
stem
β
walk
.β
stem from
verb
-
stem
from
,
stemming
from
,
stems
from
,
stemmed
from
to
start
or
develop
as
a
result
of
something
;
to
come
from
a
particular
cause
or
source
β’
Her
confidence
stems
from
years
of
practice
.
Her
confidence
stems from
years
of
practice
.
β’
Their
disagreement
stemmed
from
a
simple
misunderstanding
.
Their
disagreement
stemmed from
a
simple
misunderstanding
.
ecosystem
noun
all
the
living
things
in
a
particular
place
,
together
with
the
air
,
water
,
and
soil
they
depend
on
and
the
way
they
affect
one
another
β’
The
coral
reef
ecosystem
supports
thousands
of
colorful
fish
and
plants
.
The
coral
reef
ecosystem
supports
thousands
of
colorful
fish
and
plants
.
β’
When
wolves
returned
to
Yellowstone
,
the
entire
ecosystem
changed
in
surprising
ways
.
When
wolves
returned
to
Yellowstone
,
the
entire
ecosystem
changed
in
surprising
ways
.
From
eco-
,
a
shortening
of
ecology
,
+
system
,
first
used
in
the
1930s
to
describe
natural
communities
.
noun
a
complex
network
of
companies
,
products
,
or
activities
that
depend
on
and
support
one
another
,
especially
in
business
or
technology
β’
Thanks
to
its
many
apps
and
accessories
,
the
smartphone
ecosystem
keeps
users
loyal
to
the
brand
.
Thanks
to
its
many
apps
and
accessories
,
the
smartphone
ecosystem
keeps
users
loyal
to
the
brand
.
β’
Start-ups
often
grow
faster
when
they
join
a
supportive
tech
ecosystem
.
Start-ups
often
grow
faster
when
they
join
a
supportive
tech
ecosystem
.
Figurative
extension
of
the
biological
sense
,
first
applied
to
business
and
technology
in
the
late
20th
century
.