ライフライン

らいふらいん
noun
essential utilities; lifeline
1. essential utilities; lifeline (water, gas, electricity)
The basic infrastructure services essential for daily life, including water, electricity, gas, and telecommunications. In Japanese usage, this loanword specifically refers to these utility systems, especially in disaster contexts.
地震(じしん)でライフラインが()まった。
The earthquake knocked out essential utilities.
ライフラインの復旧(ふっきゅう)時間(じかん)がかかっている。
It is taking time to restore essential utilities.
災害(さいがい)()(そな)えて、ライフラインが途絶(とぜつ)えても数日間(すうじつかん)生活(せいかつ)できる準備(じゅんび)をしておくべきだ。
You should prepare to survive for several days without utilities in case of a disaster.

USAGE:
A wasei-eigo (Japanese-coined English) usage. In English, "lifeline" means a rope or rescue line, but in Japanese it specifically refers to essential utility infrastructure. This word became widely used after the 1995 Great Hanshin Earthquake.

COMMON COLLOCATIONS:

  • ライフラインが()まる (utilities are cut off)
  • ライフラインの復旧(ふっきゅう) (restoration of utilities)
  • ライフラインの確保(かくほ) (securing utilities)
  • ライフラインが途絶(とぜつ)える (utilities are severed)