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Terms for subject Environment (31566 entries)
dard vert greenside darter
dasynorne à long bec Western bristlebird
dasynorne à long bec long-billed bristlebird
datation dating
datation dating (Any of several techniques such as radioactive dating, dendrochronology, or varve dating, for establishing the age of rocks, palaeontological or archaeological specimens, etc.)
date d'entrée en fonctionnement date when the station first operated
Daubentoniidés aye-ayes
dauphin d'eau douce de Chine Baiji lake dolphin
dauphin d'eau douce de Chine Chinese lake dolphin
dauphin d'eau douce de Chine Chinese river dolphin
dauphin d'eau douce de Chine Yangtze river dolphin
dauphin d'eau douce de Chine white fin dolphin
dauphin du Gange Ganges dolphins
dauphin du Gange Indus river dolphins
dauphin du Gange Susus
dauphin du Havre Sowerby's beaked whale
dauphins à bosse de l'Atlantique et de l'Indo-Pacifique humpbacked dolphins
DDT DDT (A persistent organochlorine insecticide, also known as dichlorodiphenyltrichloroethane, that was introduced in the 1940s and used widely because of its persistence (meaning repeated applications were unnecessary), its low toxicity to mammals and its simplicity and cheapness of manufacture. It became dispersed all over the world and, with other organochlorines, had a disruptive effect on species high in food chains, especially on the breeding success of certain predatory birds. DDT is very stable, relatively insoluble in water, but highly soluble in fats. Health effects on humans are not clear, but it is less toxic than related compounds. It is poisonous to other vertebrates, especially fish, and is stored in the fatty tissue of animals as sublethal amounts of the less toxic DDE. Because of its effects on wildlife its use in most countries is now forbidden or strictly limited)
de-éthaniseur de-ethanizer
débâcle ice break-up