Psychodelic drug and Psychoactive substance

Psychodelic drug noun - A psychoactive drug that induces hallucinations or altered sensory experiences.

Psychoactive substance and psychodelic drug are semantically related. In some cases you can use "Psychoactive substance" instead a noun phrase "Psychodelic drug".

Psychoactive substance noun - A drug that can produce mood changes and distorted perceptions.

Psychodelic drug and psychoactive substance are semantically related. Sometimes you can replace phrase "Psychodelic drug" with "Psychoactive substance", this phrases are similar.