| HYD | deciduous shrub bearing round-headed flower clusters opening green and aging to pink or blue |
|---|---|
| HYD | deciduous shrub or small tree with pyramidal flower clusters |
| HYD | deciduous climber with aerial roots having large flat flower heads |
| HYD | sometimes included in the family Saxifragaceae |
| HYD | a discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks |
| HYD | a faucet for drawing water from a pipe or cask |
| HYD | a heavy silvery toxic univalent and bivalent metallic element |
| HYD | inflammation and swelling of a movable joint because of excess synovial fluid |
| HYD | small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers |
| HYD | perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves |
| HYD | any compound that contains water of crystallization |
| HYD | cause to be hydrated |