Definition of Equinoctial line
(Astron.)
the
celestial
equator
; -
so
called
because
when
the
sun
is
on
it
,
the
nights
and
days
are
of
equal
length
in
all
parts
of
the
world
.
See
Equator
.
See also:
Equinoctial
Related Words
celestial
equator
,
equinoctial
,
equinoctial
circle
,
great
circle
,
right
ascension
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Equidiurnal
Equiform
Equilateral
Equilateral hyperbola
Equilateral shell
Equilibrate
Equilibration
Equilibrious
Equilibrist
Equilibrity
Equilibrium
Equilibrium valve
Equimomental
Equimomental cone of a given rigid body
Equimultiple
Equinal
Equine
Equinia
Equinoctial
Equinoctial colure
Equinoctially
Equinox
Equinumerant
Equip
Equipage
Equipaged
Equiparable
Equiparate
Equipedal
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Equipensate
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Equipollence
Equipollent
Equipollently
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Equiponderant
Equiponderate
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