Last Updated
：2025/12/03
DEF
Noun
abbreviation
alt-of
uncountable
initialism
Japanese Meaning
ディーゼル排気液 / 防御ポイント
Sense（1）
Sense（2）
Quizzes for review
(automotive) Abbreviation of diesel exhaust fluid. / (role-playing games) Initialism of defence point.
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DEF
Before the long haul, the technician topped up the DEF tank to ensure the truck met emissions requirements.
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Before the long haul, the technician topped up the DEF tank to ensure the truck met emissions requirements.
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