adjective
Definition: Relating to a theory that explains events or situations by suggesting that they are caused by sudden and significant disasters rather than slow, gradual changes.
Example: The scientist presented a catastrophist view of the planet's geological history, emphasizing the role of major disasters.
noun
Definition: A person who believes that the Earth has been shaped by sudden, short-lived, and violent events, rather than gradual processes.
Example: The scientist was a well-known catastrophist, arguing that major geological changes occurred due to catastrophic events.