Last Updated：2025/12/06
(usually transitive, nuclear physics) To blend highly-enriched uranium, typically from decommissioned nuclear weapons, with uranium containing a low concentration of fissile uranium-235 (slightly-enriched uranium, natural uranium, or depleted uranium) in order to convert it to low-enriched uranium suitable for use as fuel in standard power reactors but not usable for a fission bomb.
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downblend
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Source Word
downblend
IPA(Pronunciation)
Verb
transitive
usually
(usually
transitive,
nuclear
physics)
To
blend
highly-enriched
uranium,
typically
from
decommissioned
nuclear
weapons,
with
uranium
containing
a
low
concentration
of
fissile
uranium-235
(slightly-enriched
uranium,
natural
uranium,
or
depleted
uranium)
in
order
to
convert
it
to
low-enriched
uranium
suitable
for
use
as
fuel
in
standard
power
reactors
but
not
usable
for
a
fission
bomb.
Japanese Meaning
（通常は核物理分野において）高濃縮ウランを、低濃縮ウラン（もしくは自然ウラン、または乏燃料ウランなど）と混合し、通常の原子炉燃料として使用可能だが核兵器製造には適さない低濃縮ウランに変換する操作を行うこと。
Sense（1）
(usually
transitive,
nuclear
physics)
To
blend
highly-enriched
uranium,
typically
from
decommissioned
nuclear
weapons,
with
uranium
containing
a
low
concentration
of
fissile
uranium-235
(slightly-enriched
uranium,
natural
uranium,
or
depleted
uranium)
in
order
to
convert
it
to
low-enriched
uranium
suitable
for
use
as
fuel
in
standard
power
reactors
but
not
usable
for
a
fission
bomb.
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
