How to say "asphalt" in Japanese

• アスファルトCommon
  nounThe everyday word for asphalt as a material — the black substance roads are surfaced with. This is what you want in ordinary contexts, such as road construction or describing a freshly paved street.
  その通とおりはアスファルトで舗装ほそうされている。↗

  The street is paved with asphalt.
• 歴青れきせい
  nounA far less common word, and the one that also carries the sense 'bitumen'. For asphalt in its everyday sense this is seldom the word you want — use アスファルト unless you specifically mean bitumen.

Use 「アスファルト」 for asphalt in its ordinary sense, the black material roads are paved with; 歴青 is a far less common equivalent and the only one of the two that also covers the sense 'bitumen'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• アスファルトasphalt
• 歴青れきせいasphalt