Large, decaying fish covered in the thick, dark oil washed up on some beaches.

He swallowed down the thick clinging oil with his eyes closed then went back to his book.

A pool of thick oil had gathered in a depression in the wood.

The images have a deep, rich texture, as if rendered in the thick, vivid oils of a painting.

The blood was black in the night, like thick oil, coating everything.

The seeds yield a thick, dark green oil for medicinal use or hair grease.

If you use thicker oil, it makes the engine work harder.

Remove thick oil and dirt by scraping with a putty knife.

A thick oil ran out onto his fingers.

And the coastal waters are polluted, even layered in some places with thick black oil.