CET or cet may refer to:
Cetacea (/sᵻˈteɪʃə/) are a widely distributed and diverse clade of aquatic mammals that today consists of the whales, dolphins, and porpoises.
Cetirizine /sɛˈtɪrᵻziːn/ (trade names Zirtec, Zyrtec, Reactine, Triz) is a second-generation antihistamine used in the treatment of hay fever, allergies, angioedema, and urticaria.
Cetacean surfacing behaviour is a group of behaviours demonstrated by the Cetacea infraorder when they come to the water's surface to breathe.
Cetinje (Montenegrin Cyrillic: Цетиње [pronounced [ t͡sětiɲe]]), is a city and Old Royal Capital (Montenegrin: Prijestonica / Приjестоница) of Montenegro.
Cetacean intelligence refers to the cognitive capabilities of the Cetacea order of mammals. This order includes whales, porpoises, and dolphins.
Cetacean stranding, commonly known as beaching, is a phenomenon in which cetaceans strand themselves on land, usually on a beach.
Cetuximab is an epidermal growth factor receptor (EGFR) inhibitor used for the treatment of metastatic colorectal cancer, metastatic non-small cell lung cancer and head and neck cancer.
Cetacean bycatch is the incidental capture of non-target cetacean species such as dolphins, porpoises, and whales by fisheries.
Cetrimonium bromide [(C16H33)N(CH3)3]Br; cetyltrimethylammonium bromide; hexadecyltrimethylammonium bromide; CTAB] is a quaternary ammonium surfactant.