最終更新日：2025/12/07
(nautical, physics) The vertical distance between the metacentre and center of mass (conventionally taken to be positive when the metacentre is above the center of mass, and negative when the center of mass is above the metacentre) of a vessel (such as a ship or a boat) when the vessel is upright with zero bank angle; measures the vessel's tendency to resist being rolled from the upright orientation; must be positive in order for the vessel to have positive static stability.
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metacentric height
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元となった辞書の項目
metacentric height
名詞
(nautical,
physics)
The
vertical
distance
between
the
metacentre
and
center
of
mass
(conventionally
taken
to
be
positive
when
the
metacentre
is
above
the
center
of
mass,
and
negative
when
the
center
of
mass
is
above
the
metacentre)
of
a
vessel
(such
as
a
ship
or
a
boat)
when
the
vessel
is
upright
with
zero
bank
angle;
measures
the
vessel's
tendency
to
resist
being
rolled
from
the
upright
orientation;
must
be
positive
in
order
for
the
vessel
to
have
positive
static
stability.
日本語の意味
船舶や船艇などが静止状態にある際に、メタセンター（浮体が傾いた時の仮想的な浮心の上方位置）と重心との間に存在する鉛直距離を指す。通常、メタセンターが重心より上に位置すると正の値となり、船の静的安定性、すなわち転覆抵抗性を示す指標となる。
意味（1）
(nautical,
physics)
The
vertical
distance
between
the
metacentre
and
center
of
mass
(conventionally
taken
to
be
positive
when
the
metacentre
is
above
the
center
of
mass,
and
negative
when
the
center
of
mass
is
above
the
metacentre)
of
a
vessel
(such
as
a
ship
or
a
boat)
when
the
vessel
is
upright
with
zero
bank
angle;
measures
the
vessel's
tendency
to
resist
being
rolled
from
the
upright
orientation;
must
be
positive
in
order
for
the
vessel
to
have
positive
static
stability.
（ plural ）
