aestivation
/ˌiːstɪˈveɪʃən/( <美> estivation)
noun
mass noun
1
- Zoology prolonged torpor or dormancy of an animal during a hot or dry period【动】夏眠, 夏蛰。
2
- Botany the arrangement of petals and sepals in a flower bud before it opens【植】花被卷叠式。比较VERNATION.