plural of quantum field theory

That does not involve theory or has no theoretical basis.

present participle of theorycraft

(video games) The act by which something is theorycrafted.

(video games) To analyze (especially mathematically) the underlying mechanics of a video game in order to optimize or minimax one's gameplay.

(video games) Theorycrafting.

simple past tense and past participle of theorycraft

Third-person singular simple present indicative form of theorycraft

plural of theorycraft

Absence of theory.