bituminoid
/baɪˈtuːmɪnɔɪd/
adjective
- Resembling or having the properties of bitumen (a black, sticky substance like tar or asphalt).
- The rock had a bituminoid texture, dark and slightly sticky to the touch.
- The artist used a bituminoid paint to create a glossy, waterproof finish on the sculpture.
- Geologists identified the bituminoid material in the sediment as a sign of ancient oil deposits.
noun
- A substance that resembles or contains bitumen.
- The lab tested the sample and found it to be a bituminoid, similar to natural asphalt.
- Miners often encounter bituminoids in layers of shale rock.
- The chemist classified the dark residue as a bituminoid from the refining process.