HyperDic
English
> 1 sense of the expression
chemical substance
:
NOUN
substance
chemical substance
,
chemical
material
produced
by or used in a
reaction
involving
changes
in
atoms
or
molecules
English
>
chemical substance
: 1 sense
> noun 1, substance
Meaning
Material
produced
by or used in a
reaction
involving
changes
in
atoms
or
molecules
.
Synonym
chemical
Narrower
Alar
,
daminozide
A
chemical
sprayed
on
fruit trees
to
regulate
their
growth
so the
entire
crop
can be
harvested
at one time
bactericide
,
bacteriacide
Any
chemical agent
that destroys
bacteria
carbon tetrahalide
compounds
composed of 1
carbon
and 4
halogen
molecules
carrier
An inactive substance that is a
vehicle
for a
radioactive
tracer
of the same substance and that
assists
in its
recovery
after some
chemical reaction
compound
,
chemical compound
(chemistry) a substance
formed
by
chemical
union of two or more
elements
or
ingredients
in definite
proportion
by
weight
congener
A minor chemical constituent that gives a wine or liquor its distinctive character
explosive
A
chemical substance
that undergoes a
rapid
chemical change
(with the
production
of
gas
) on being
heated
or
struck
fertilizer
,
fertiliser
,
plant food
Any substance such as
manure
or a
mixture
of
nitrates
used to
make
soil
more
fertile
flux
A substance
added
to
molten
metals
to
bond
with
impurities
that can
then
be
readily
removed
fraction
A component of a
mixture
that has been
separated
by a
fractional process
fumigant
A
chemical substance
used in
fumigation
herbicide
,
weedkiller
,
weed killer
A
chemical agent
that destroys
plants
or inhibits their
growth
intermediate
A substance
formed
during a
chemical process
before the
desired
product
is obtained
larvicide
A chemical used to
kill
larval
pests
pesticide
A chemical used to
kill
pests
(as
rodents
or
insects
)
phytochemical
A
chemical substance
obtained from plants that is
biologically
active but
not
nutritive
product
A
chemical substance
formed
as a result of a
chemical reaction
reactant
A
chemical substance
that is present at the
start
of a
chemical reaction
restrainer
A chemical that is
added
to a
photographic
developer
in order to
retard
development and reduce the amount of
fog
on a
film
softener
A substance
added
to another to
make
it less hard
soil conditioner
A
chemical substance
used to
improve
the
structure
of the
soil
and
increase
its
porosity
stabilizer
A chemical that is
added
to a
solution
or
mixture
or
suspension
to maintain it in a stable or
unchanging
state
Broader
material
,
stuff
The
tangible
/
tangible
substance that
goes into
the
makeup
of a
physical object