Last Updated：2025/11/23
(nuclear physics) Enriched uranium with at least 2% but less than 20% uranium-235, enough to sustain a nuclear fission chain reaction in a nuclear reactor moderated by light water but not enough to allow a self-sustaining fission chain reaction without a moderator; used as the main nuclear fuel in most commercial nuclear reactors used to generate electricity.
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low-enriched uranium
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Source Word
low-enriched uranium
Noun
uncountable
(nuclear
physics)
Enriched
uranium
with
at
least
2%
but
less
than
20%
uranium-235,
enough
to
sustain
a
nuclear
fission
chain
reaction
in
a
nuclear
reactor
moderated
by
light
water
but
not
enough
to
allow
a
self-sustaining
fission
chain
reaction
without
a
moderator;
used
as
the
main
nuclear
fuel
in
most
commercial
nuclear
reactors
used
to
generate
electricity.
Japanese Meaning
低濃縮ウランとは、ウラン235の含有率が2%以上20%未満のウランを指し、これは核分裂連鎖反応を維持可能な軽水増殖炉において、主に商業用原子力発電で用いられる燃料です。
Sense（1）
(nuclear
physics)
Enriched
uranium
with
at
least
2%
but
less
than
20%
uranium-235,
enough
to
sustain
a
nuclear
fission
chain
reaction
in
a
nuclear
reactor
moderated
by
light
water
but
not
enough
to
allow
a
self-sustaining
fission
chain
reaction
without
a
moderator;
used
as
the
main
nuclear
fuel
in
most
commercial
nuclear
reactors
used
to
generate
electricity.
