From Longman Dictionary of Contemporary Englishconservationistcon‧ser‧va‧tion‧ist /ˌkɒnsəˈveɪʃənɪst $ ˌkɑːnsər-/ noun [countable] SGEAAsomeone who works to protect animals, plants etc or to protect old buildings —conservationism noun [uncountable]
Examples from the Corpus
conservationist• This would pose historians and conservationists with a dilemma.• But conservationists said words must be backed by actions.• And that's the problem facing conservationists who are trying to discover where the dormice are.• By the early 1980s the Commission had been coming under increasingly severe criticism from conservationists and others.• So conservationists hope they can preserve the area's outstanding natural beauty and cater for the tourists too.• That alarmed the conservationists while failing to satisfy the engineers.• Despite extensive plans by the consortium for landscaping, the conservationists claim the dump would turn into an eyesore. 