Translation guide
The material used for paving roads, driveways, and surfaces. In Japanese, the most common term is アスファルト, a loanword from English. There is also a native term 瀝青 (れきせい), but it is technical and rarely used in everyday conversation.
アスファルト
asphalt
The black, sticky substance used to make roads, parking lots, and similar surfaces.
The standard term for asphalt in Japanese. Used in everyday conversation, signage, and technical contexts.
この道路はアスファルトで舗装されています。
This road is paved with asphalt.
アスファルトの駐車場を探しています。
I'm looking for an asphalt parking lot.
A technical or formal term for asphalt or bitumen. Rarely used in daily speech; more common in engineering or chemistry contexts.
Asphalt is also used as a waterproofing material.