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词汇 neonicotinoid
释义

Definition of neonicotinoid in English:

neonicotinoid

noun ˌniːə(ʊ)ˈnɪkətɪnɔɪdˌnēōˈnikəˌtinoid
  • A systemic agricultural insecticide resembling nicotine.

    studies have found a link between neonicotinoids and declining bee populations
    Example sentencesExamples
    • Goulson and his colleagues exposed developing bumblebee colonies to a neonicotinoid called imidacloprid in doses comparable to what they might find in the wild.
    • In general, compounds known as pyrethroids and neonicotinoids were the best performers, according to the researchers.
    • Scientists are also in two minds about the potential harm of neonicotinoids, with some claiming that the actual doses used in the wild aren't enough to do any bee-related damage.
    • Neonicotinoids bind irreversibly to receptors in the central nervous system of insects.
    • A team at Scotland's University of Stirling fed bee colonies with doses of imidacloprid, a neonicotinoid used on maize and oilseed rape.
    • A new breed of insecticides known as the neonicotinoids has been grabbing headlines recently; research indicates links to the collapse of honeybee colonies.
    • They are both neonicotinoids and are applied directly to the seed by commercial seed treaters.
    • A second study at the National Institute for Agricultural Research in France found that honeybees exposed to thiamethoxam, another neonicotinoid, were more than twice as likely to die outside their hives.
    • New studies have strongly suggested that a class of pesticides, neonicotinoids, which are used to kill sucking insects such as aphids by paralysing their nerves, could be responsible for declining global bee populations.

Origin

1990s: from neo- + nicotinoid, a type of compound chemically related to nicotine.

Definition of neonicotinoid in US English:

neonicotinoid

nounˌnēōˈnikəˌtinoid
  • A systemic agricultural insecticide resembling nicotine.

    studies have found a link between neonicotinoids and declining bee populations
    Example sentencesExamples
    • A second study at the National Institute for Agricultural Research in France found that honeybees exposed to thiamethoxam, another neonicotinoid, were more than twice as likely to die outside their hives.
    • New studies have strongly suggested that a class of pesticides, neonicotinoids, which are used to kill sucking insects such as aphids by paralysing their nerves, could be responsible for declining global bee populations.
    • A new breed of insecticides known as the neonicotinoids has been grabbing headlines recently; research indicates links to the collapse of honeybee colonies.
    • Scientists are also in two minds about the potential harm of neonicotinoids, with some claiming that the actual doses used in the wild aren't enough to do any bee-related damage.
    • In general, compounds known as pyrethroids and neonicotinoids were the best performers, according to the researchers.
    • Goulson and his colleagues exposed developing bumblebee colonies to a neonicotinoid called imidacloprid in doses comparable to what they might find in the wild.
    • They are both neonicotinoids and are applied directly to the seed by commercial seed treaters.
    • Neonicotinoids bind irreversibly to receptors in the central nervous system of insects.
    • A team at Scotland's University of Stirling fed bee colonies with doses of imidacloprid, a neonicotinoid used on maize and oilseed rape.

Origin

1990s: from neo- + nicotinoid, a type of compound chemically related to nicotine.

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