| 释义 | 
		Definition of secondary thickening in English: secondary thickeningnoun mass nounBotany (in the stem or root of a woody plant) the increase in girth resulting from the formation of new woody tissue by the cambium.  Example sentencesExamples -  This seems to reduce extension growth at a whole plant level but to locally stimulate secondary thickening.
 -  This storage organ displays an anomalous form of secondary thickening from a series of supernumerary cambia arranged in concentric rings.
 -  In dicots the largest genomes are typically in herbaceous perennials in which turgor, rather than secondary thickening, plays a major skeletal role.
 -  Jin and Copper noted that the comb structure originated from the secondary thickening layer and was commonly buried in this layer.
 -  Instead, the callus is derived from the outer layers of the xylem that have not yet undergone secondary thickening.
 
    Definition of secondary thickening in US English: secondary thickeningnoun Botany (in the stem or root of a woody plant) the increase in girth resulting from the formation of new woody tissue by the cambium.  Example sentencesExamples -  This seems to reduce extension growth at a whole plant level but to locally stimulate secondary thickening.
 -  Jin and Copper noted that the comb structure originated from the secondary thickening layer and was commonly buried in this layer.
 -  In dicots the largest genomes are typically in herbaceous perennials in which turgor, rather than secondary thickening, plays a major skeletal role.
 -  Instead, the callus is derived from the outer layers of the xylem that have not yet undergone secondary thickening.
 -  This storage organ displays an anomalous form of secondary thickening from a series of supernumerary cambia arranged in concentric rings.
 
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