ボルト

ぼると
noun
bolt; volt
toolscience
1. bolt (fastener)
A threaded metal fastener used with a nut to join parts together. From English 'bolt.'
ボルトを締(し)める。
To tighten a bolt.
ボルトとナットで固定(こてい)する。
To fasten with a bolt and nut.
このボルトがゆるんでいるので、工具(こうぐ)で締(し)め直(なお)してください。
This bolt is loose, so please retighten it with a tool.
2. volt (unit of electrical potential)
The SI unit of electrical potential difference. From English 'volt.'
日本(にほん)の家庭用(かていよう)電圧(でんあつ)は100ボルトだ。
Household voltage in Japan is 100 volts.
この電池(でんち)は1.5ボルトだ。
This battery is 1.5 volts.
海外(かいがい)では電圧(でんあつ)が220ボルトの国(くに)が多(おお)いので、変圧器(へんあつき)が必要(ひつよう)だ。
Many countries overseas use 220 volts, so a voltage converter is needed.

Two English words that share the same katakana rendering. In context, the meaning is usually clear: sense 1 (bolt) appears in mechanical and construction contexts, while sense 2 (volt) appears in electrical contexts.

COMMON COLLOCATIONS (bolt):

COMMON COLLOCATIONS (volt):

  • 100ボルト: 100 volts (standard Japanese household voltage)
  • 高(こう)ボルト: high voltage
  • ボルト数(すう): number of volts; voltage

Related words

  • ナット: nut (fastener) — used together with ボルト
  • ネジ: screw — a similar fastener that threads directly into material
  • ワット: watt — another electrical unit
  • アンペア: ampere — unit of electrical current

Related Words

Related: ナット (nut)
Related: ねじ (screw)
Related: 電圧(でんあつ) (voltage)
general
Added 2026.4.9 3:33 · Revised 2026.9.4 21:31
23000/23094_boruto