Matter

Matter refers to all tangible objects that have substance in the universe. Composed of atoms and having mass, the three states of matter are solid, liquid, and gas.

When confronted with an occupation and subjugation of Earth, the First Doctor told a Dalek it was misguided and that before the Daleks could conquer the Earth they would have to destroy all living matter. (TV: The Dalek Invasion of Earth)

Transmat technology was utilized for matter transmission, allowing an object or person to be teleported atomically from one place to another. (TV: Remembrance of the Daleks)

Anti-matter was the opposite of matter. Contact between the two was explosive, releasing a dangerous amount of radiation. (TV: The Mutants, The Three Doctors)