quaternary
English Dictionary
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Letter Q
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quaternary Definition
(n)
last
2
million
years
(n)
the
cardinal
number
that
is
the
sum
of
three
and
one
(s)
consisting
of
or
especially
arranged
in
sets
of
four
; "
quaternate
leaves
"; "
a
quaternary
compound
"
(s)
coming
next
after
the
third
and
just
before
the
fifth
in
position
or
time
or
degree
or
magnitude
; "
the
quaternary
period
of
geologic
time
extends
from
the
end
of
the
tertiary
period
to
the
present
"
quaternary Synonyms
4
4th
Age of Man
four
foursome
fourth
IV
Little Joe
quadruplet
quartet
quatern
quaternary
Quaternary period
quaternate
quaternion
quaternity
tetrad
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