phosphorus
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Letter P
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phosphorus Definition
(n)
a
multivalent
nonmetallic
element
of
the
nitrogen
family
that
occurs
commonly
in
inorganic
phosphate
rocks
and
as
organic
phosphates
in
all
living
cells
;
is
highly
reactive
and
occurs
in
several
allotropic
forms
(n)
a
planet
(
usually
Venus
)
seen
just
before
sunrise
in
the
eastern
sky
phosphorus Synonyms
atomic number 15
daystar
morning star
P
Phosphorus
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