Definition of ecology in English:



  • 1[mass noun] The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

    • ‘Whale Study Week includes boat trips as well as classes in whale biology and general marine ecology.’
    • ‘We were leaning about ecology in our biology class and this involved a trip to Dublin Zoo.’
    • ‘Outdoor experts will teach ecology and the river environment as it pertains to supporting the carp species.’
    • ‘Scientists say they still have a lot to learn about ecology at Mount St. Helens.’
    • ‘Masters and doctoral programs feature ecosystem ecology courses in restoration.’
    • ‘It always interested me why that happened, and why it happened at the same time that the science of ecology was born.’
    • ‘The emphasis is on horticultural aspects of reproductive biology and pollination ecology.’
    • ‘The reductionist approach is thus coupled with the ecology of whole organisms.’
    • ‘Behavioral ecology is a naturalistic perspective somewhat similar to sociobiology.’
    • ‘A general goal of avian evolutionary ecology is to understand mechanisms driving patterns of community organization.’
    • ‘Despite the abundance of Impatiens species in China, studies of pollination systems and pollination ecology have not been reported.’
    • ‘After a few years of working in the field, I went back to graduate school to study marine ecology.’
    • ‘Effective management for this species is hampered because relatively little is known about nesting ecology.’
    • ‘So instead of a plan based on timber production, it is based on ecology as well.’
    • ‘After his formal retirement in 1974, Dan made significant contributions to urban wildlife ecology and conservation.’
    • ‘Therefore, measurements of dive depths and profiles are significant components in many studies of seabird foraging ecology.’
    • ‘Then I got a Ph.D. in ecology and evolutionary biology at the University of Tennessee.’
    • ‘The latter paper complements the majority of those in this volume that focused on stopover ecology in eastern North America.’
    • ‘In this paper, recent work on fruit type evolution in angiosperms is reviewed in relation to dispersal agents and habitat ecology.’
    preservation, protection, safeguarding, safe keeping, keeping, guarding, saving, looking after
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    1. 1.1The political movement concerned with protection of the environment.
      • ‘The women's and ecology movements are therefore one.’
      • ‘He has long been widely cited by many different branches of the radical ecology movement.’


Late 19th century (originally as oecology): from Greek oikos house + -logy.