one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles
Adjective
relating to or resembling a medusa
例句
Due to no alternation of generations,the medusoid phase being entirely suppressed. 由于没有世代交替，水母阶段遭到完全抑制。
In some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase. 对一些种类的腔肠动物，水螅型是生命周期的一个阶段，该阶段随后被水母型代替。
Any of numerous characteristically colonial hydrozoan coelenterates having a polyp rather than a medusoid form as the dominant stage of the life cycle. 水螅虫许多典型的移居的腔肠动物中水螅虫类的任何一种，在生命循环中最重要阶段以水螅的形状而不是水母的形状出现
Any of numerous usually free-swimming marine coelenterates of the class Scyphozoa,characteristically having a gelatinous,tentacled,often bell-shaped medusoid stage as the dominant phase of its life cycle. 水母，海蜇大量的、经常自由游动的真水母类腔肠动物，胶质的、带有触须的、常为钟形的类水母体阶段是其生命循环中的主要形式。
Any of numerous usually free-swimming marine coelenterates of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusoid stage as the dominant phase of its life cycle. 水母,海蜇:大量的、经常自由游动的真水母类腔肠动物,胶质的、带有触须的、常为钟形的类水母体阶段是其生命循环中的主要形式。
the medusoid phase is entirely suppressed. 水母阶段完全被抑制。
