SI
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SI Definition
(n)
a
complete
metric
system
of
units
of
measurement
for
scientists
;
fundamental
quantities
are
length
(
meter
)
and
mass
(
kilogram
)
and
time
(
second
)
and
electric
current
(
ampere
)
and
temperature
(
kelvin
)
and
amount
of
matter
(
mole
)
and
luminous
intensity
(
can
(n)
a
tetravalent
nonmetallic
element
;
next
to
oxygen
it
is
the
most
abundant
element
in
the
earth
''
s
crust
;
occurs
in
clay
and
feldspar
and
granite
and
quartz
and
sand
;
used
as
a
semiconductor
in
transistors
(n)
the
syllable
naming
the
seventh
(
subtonic
)
note
of
any
musical
scale
in
solmization
SI Synonyms
atomic number 14
International System
International System of Units
si
SI system
silicon
Systeme International
Systeme International d'Unites
te
ti
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