Last Updated：2025/11/21
(physics, meteorology) A fictitious force apparently exerted on any moving body (including a parcel of air) due to the rotation of the earth, observed as a deflection of the body to the right of its direction of travel (i.e., clockwise) in the Northern Hemisphere, or to the left (anticlockwise) in the Southern Hemisphere; any equivalent apparent force that deflects objects in a rotating reference frame.
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Coriolis force
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Source Word
Coriolis force
Noun
(physics,
meteorology)
A
fictitious
force
apparently
exerted
on
any
moving
body
(including
a
parcel
of
air)
due
to
the
rotation
of
the
earth,
observed
as
a
deflection
of
the
body
to
the
right
of
its
direction
of
travel
(i.e.,
clockwise)
in
the
Northern
Hemisphere,
or
to
the
left
(anticlockwise)
in
the
Southern
Hemisphere;
any
equivalent
apparent
force
that
deflects
objects
in
a
rotating
reference
frame.
Japanese Meaning
（物理学、気象学）地球の自転の影響により、移動する物体に見かけ上働く力。北半球では移動体が進行方向の右側（時計回り）に、南半球では左側（反時計回り）に偏向する現象として観測される。
Sense（1）
(physics,
meteorology)
A
fictitious
force
apparently
exerted
on
any
moving
body
(including
a
parcel
of
air)
due
to
the
rotation
of
the
earth,
observed
as
a
deflection
of
the
body
to
the
right
of
its
direction
of
travel
(i.e.,
clockwise)
in
the
Northern
Hemisphere,
or
to
the
left
(anticlockwise)
in
the
Southern
Hemisphere;
any
equivalent
apparent
force
that
deflects
objects
in
a
rotating
reference
frame.
（ plural ）
