Definition

Related to whales or marine mammals that belong to the order Cetacea.

Example

The cetaceous animals, such as dolphins and whales, are fascinating to study.

Conversation

Did you know that dolphins are part of the cetaceous family?

Really? I thought they were just cute sea animals.

Yeah, it's interesting how many marine mammals fall under the cetaceous category.

For sure! Whales and porpoises are part of that group too.

Synonyms & Antonyms

Root Explanation

Cetaceous → It is derived from "cetus" (from Greek "kētos", meaning whale) and the suffix "-aceous" (meaning pertaining to or having the nature of). The word "cetaceous" refers to anything that is related to or resembling whales or cetaceans.

Memory Tip

Think of the Greek word for whale, 'kētos', to remember that 'cetaceous' means related to whales.

Visually Confused Words