Hydra
01
hydra, sötvattenpolyp
a freshwater polyp with a cylindrical body and tentacles
Exempel
Researchers observed a hydra attached to the underside of a leaf in the pond, its tentacles swaying gently in the water.
Forskare observerade en hydra fäst vid undersidan av ett blad i dammen, dess tentakler svajade försiktigt i vattnet.
In the lab, students conducted experiments to study the feeding behavior of the hydra.
I laboratoriet genomförde eleverna experiment för att studera hydrans födointagningsbeteende.
02
hydra, bestående problem
trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
03
hydra, Hydran
a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
04
hydra, Lernas hydra
a mythical serpent-like creature in Greek mythology that has multiple heads, and if one head is cut off, two more will grow in its place
