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interaction
noun
the
act
of
people
communicating
or
doing
things
together
so
that
they
influence
one
another
•
The
teacher
encouraged
more
interaction
between
students
during
group
projects
.
The
teacher
encouraged
more
interaction
between
students
during
group
projects
.
•
After
moving
abroad
,
daily
interaction
with
locals
helped
him
learn
the
language
faster
.
After
moving
abroad
,
daily
interaction
with
locals
helped
him
learn
the
language
faster
.
From
Latin
inter-
(“
between
”)
+
actio
(“
doing
,
action
”),
meaning
things
that
act
upon
each
other
.
noun
a
situation
in
which
two
or
more
things
affect
and
change
each
other
•
The
doctor
warned
that
the
interaction
between
the
two
medicines
could
cause
dizziness
.
The
doctor
warned
that
the
interaction
between
the
two
medicines
could
cause
dizziness
.
•
Scientists
are
studying
the
interaction
of
climate
and
ocean
currents
.
Scientists
are
studying
the
interaction
of
climate
and
ocean
currents
.
Same
origin
as
the
general
sense
,
with
scientific
use
expanding
in
the
1800s
as
experimental
chemistry
grew
.
noun
in
physics
,
one
of
the
fundamental
forces
that
act
between
particles
or
fields
•
The
electromagnetic
interaction
holds
electrons
around
the
nucleus
.
The
electromagnetic
interaction
holds
electrons
around
the
nucleus
.
•
Gravity
is
the
weakest
fundamental
interaction
,
but
it
shapes
the
universe
.
Gravity
is
the
weakest
fundamental
interaction
,
but
it
shapes
the
universe
.
Adopted
in
modern
physics
in
the
20th
century
to
describe
the
four
forces
forming
the
Standard
Model
.