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Definitions

cetacean

[si-tey-shuhn] / sɪˈteɪ ʃən /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The drawings inject suspense even into Melville’s encyclopedic chapters on cetacean anatomy.

From The Wall Street Journal • Jan. 2, 2026

They confirmed for the first time that a potentially deadly whale virus, known as cetacean morbillivirus, is circulating above the Arctic Circle.

From BBC • Dec. 18, 2025

Roughly 6 million common dolphins inhabit tropical and temperate waters worldwide, making them the most numerous members of the cetacean family, which includes whales and porpoises.

From Science Daily • Oct. 22, 2025

AI-generated codas might only confuse whales, and could potentially spread false information between cetacean species.

From Salon • Aug. 23, 2024

New songs appear on the cetacean hit parade.

From "Cosmos" by Carl Sagan