Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
--------
Question: meaning is a term in linguistics and philosophy.

Answer: meaning

Question: laurie cunningham is a former football player.

Answer: laurie cunningham

Question: a thermodynamic state is the macroscopic condition of a thermodynamic system as described by its particular thermodynamic parameters.

Answer:
thermodynamic state