Category:en:Obsolete scientific theories

English terms for types or instances of obsolete scientific theories that are no longer, or have never been, widely accepted.

NOTE: This is a set category. It should contain terms for obsolete scientific theories, not merely terms related to obsolete scientific theories. It may contain more general terms (e.g. types of obsolete scientific theories) or more specific terms (e.g. names of specific obsolete scientific theories), although there may be related categories specifically for these types of terms.