单词	estivation
释义	estivation noun es·​ti·​va·​tion ˌe-stə-ˈvā-shən  variants or aestivation 1 zoology : the state or condition of torpidity or dormancy induced by the heat and dryness of summer : the state of one that is estivating Some animals, including various species of snakes, land snails, and lizards, enter a state of dormancy, or estivation, in the summer when water is scarce. Carrol B. Fleming … they [land snails of the genus Cerion] spend most of this time in the warm weather equivalent of hibernation (called estivation), hanging upside down from vegetation or affixed to rocks. Stephen Jay Gould 2 usually aestivation, botany : the arrangement or position of the petals or sepals in a flower bud In practice, aestivation is best observed by making hand sections of mature flower buds … Michael G. Simpson … flowers on the same plants or the same stem may exhibit either clockwise or counterclockwise spiral estivations … Carlos Herrera compare vernation Word History First Known Use 1783, in the meaning defined at sense 1 Medical Definition estivation noun es·​ti·​va·​tion variants or aestivation ˌes-tə-ˈvā-shən  : the state of one that estivates
随便看	galuchat galumph galumphed galumphing galumphs galuptious galut galuth galuths Galvani galvanic galvanic couple galvanic skin response galvanically galvanisation galvanisations galvanise galvanised galvaniser galvanisers galvanises galvanising galvanism galvanisms galvanists

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