toqus
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virus
noun
-
virus
,
viruses
a
very
small
infectious
agent
that
can
only
reproduce
inside
the
cells
of
living
organisms
,
often
causing
disease
•
The
doctor
explained
that
the
virus
spreads
through
tiny
droplets
in
the
air
.
The
doctor
explained
that
the
virus
spreads
through
tiny
droplets
in
the
air
.
•
Scientists
are
racing
to
develop
a
vaccine
that
can
stop
the
deadly
virus
.
Scientists
are
racing
to
develop
a
vaccine
that
can
stop
the
deadly
virus
.
Borrowed
into
English
in
the
late
14th
century
from
Latin
“
vīrus
”,
meaning
“
poison
,
slime
”.
In
the
late
19th
century
scientists
adopted
the
term
for
infectious
agents
smaller
than
bacteria
.
noun
-
virus
,
viruses
a
malicious
computer
program
that
copies
itself
and
can
damage
or
disrupt
a
computer
or
network
•
The
technician
removed
a
dangerous
virus
from
all
the
office
computers
.
The
technician
removed
a
dangerous
virus
from
all
the
office
computers
.
•
Opening
strange
email
attachments
can
let
a
virus
infect
your
laptop
.
Opening
strange
email
attachments
can
let
a
virus
infect
your
laptop
.
First
used
for
malicious
code
in
the
1970s–80s
by
analogy
with
biological
viruses
that
replicate
and
spread
.
noun
-
virus
,
viruses
something
harmful
,
such
as
an
idea
or
emotion
,
that
spreads
quickly
from
person
to
person
•
Fear
spread
through
the
city
like
a
virus
.
Fear
spread
through
the
city
like
a
virus
.
•
Some
activists
hope
kindness
can
become
a
positive
virus
that
changes
communities
.
Some
activists
hope
kindness
can
become
a
positive
virus
that
changes
communities
.
This
figurative
use
arose
by
extension
from
the
biological
meaning
,
comparing
the
rapid
spread
of
ideas
or
emotions
to
the
way
diseases
move
through
populations
.
