His painting uses seven colors.

In Buddhism, '色' is said to refer to the material form.

Her dress was red, and it was very beautiful.

The existence of dark matter has not yet been fully proven.

Antibiotics don't work for colds, so please don't take them unnecessarily.

It is said that antimatter has properties opposite to those of matter.

This food may contain carcinogens.

The air in this area is greatly affected by pollutants emitted from factories.

We exist as a part of the material world.

He was born as an illegitimate child and experienced many difficulties.