单词	etiolated
释义	etiolated /ˈiːtɪəˌleɪtɪd / adjective 1(Of a plant) pale and drawn out due to a lack of light: etiolated leaf segments the girl might have grown etiolated and bland like grass under stone... These plants continued to grow without light and developed new etiolated leaves. Exposure of etiolated cereal leaves to red light results in unrolling. Small amounts of such products have been observed by other groups in protein samples from etiolated barley and wheat seedlings. 2Having lost vigour or substance; feeble: a tone of etiolated nostalgia... He felt etiolated and unkempt. Apart from an elongated waist which gave him the look of the etiolated shadow of a much taller man, he was not altogether bad looking. Derivatives etiolation /iːtɪəˈleɪʃ(ə)n / noun ... Because of etiolation and necrosis, control seedlings were harvested after 90 days, the root systems washed with distilled water and plants dried at 60°C to constant weight. Robustness, based on above-ground biomass/seedling height, was used as an indicator of the sturdiness of seedlings and may be regarded as the inverse of etiolation. In an attempt to solve these questions, one fruitful approach has been the analysis of in situ absorbance and fluorescence spectra during etiolation. Origin Late 18th century: from etiolate + -ed2.
随便看	phylarchical phylarchy phylaxis phyle phyletic phyletically phyletic gradualism phyletics phyletism phylic phyllary phyllid phyllidium phylliform Phyllirhoe phyllite phyllitic phyllo phyllo- phyllobranchia phyllobranchiate phyllocarid phyllocaridan phylloclade phyllocladium

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