chlorophyll

From Longman Dictionary of Contemporary EnglishRelated topics: Plantschlorophyllchlo‧ro‧phyll /ˈklɒrəfɪl, ˈklɔː- $ ˈklɔː-/ noun [uncountable] HBPthe green-coloured substance in plantsExamples from the Corpuschlorophyll• For most plants, most of the time, additional chlorophyll brings no benefit.• Four sensors on the tractor-mounted unit scan the crop while you're travelling through, measuring chlorophyll content.• We watch them chew and spill a bitter spew of chlorophyll.• And then, maybe: The stinking goat on yonder hill Feeds all day on chlorophyll.• However, the assumption that productivity must be directly related to biomass or chlorophyll is a fallacy.• Is there some seasonal effect that influences the colour of the pigments in leaves after the chlorophyll has broken down?• Light energy from the sun is absorbed by the chlorophyll in the leaves and the water molecules are split.• Having lost its protein, the chlorophyll also breaks down, revealing the carotenoid pigments.Origin chlorophyll (1800-1900) French chlorophylle, from Greek chloro- ( → CHLOROFLUOROCARBON) + phyllon “leaf”

单词	chlorophyll
释义	chlorophyll From Longman Dictionary of Contemporary EnglishRelated topics: Plantschlorophyllchlo‧ro‧phyll /ˈklɒrəfɪl, ˈklɔː- $ ˈklɔː-/ noun [uncountable] HBPthe green-coloured substance in plantsExamples from the Corpuschlorophyll• For most plants, most of the time, additional chlorophyll brings no benefit.• Four sensors on the tractor-mounted unit scan the crop while you're travelling through, measuring chlorophyll content.• We watch them chew and spill a bitter spew of chlorophyll.• And then, maybe: The stinking goat on yonder hill Feeds all day on chlorophyll.• However, the assumption that productivity must be directly related to biomass or chlorophyll is a fallacy.• Is there some seasonal effect that influences the colour of the pigments in leaves after the chlorophyll has broken down?• Light energy from the sun is absorbed by the chlorophyll in the leaves and the water molecules are split.• Having lost its protein, the chlorophyll also breaks down, revealing the carotenoid pigments.Origin chlorophyll (1800-1900) French chlorophylle, from Greek chloro- ( → CHLOROFLUOROCARBON) + phyllon “leaf”
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