| hydrosphere |
collectively, all bodies and forms of water on or around the earth's surface, including vapor and clouds in the atmosphere. |
| hydrostatics |
(used with a sing. verb) the scientific study of liquids at rest, esp. with regard to pressure and equilibrium. |
| hydrotherapeutics |
(used with a sing. verb) the practice or process of hydrotherapy. |
| hydrotherapy |
the treatment of disease through the internal or external application of water. |
| hydrotropism |
movement or growth, as by an organism or plant root, either toward or away from water. |
| hydrous |
containing water or its elements, esp. in a chemical union. |
| hydroxide |
a chemical compound that contains ions made up of one atom of hydrogen and one atom of oxygen. |
| hydroxyapatite |
a calcium mineral that is an important component of bone and dental enamel in humans and other animals. |
| hydroxychloroquine |
an anti-inflammatory drug used in treating, malaria, rheumatoid arthritis, and lupus erythematosus |
| hydroxyl |
of a chemical group containing one atom each of hydrogen and oxygen, found in some bases, acids, and alcohols. |
| hydrozoan |
of or relating to any member of a group of water animals having a single internal cavity and tentacles on the oral end. [2 definitions] |
| hyena |
any of several carnivorous, mostly nocturnal, doglike mammals of Africa and Asia that have strong jaws and fairly small hindquarters. |
| Hygeia |
in Greek mythology, the goddess personifying health. |
| hygiene |
the science concerned with promoting health and preventing illness. [2 definitions] |
| hygienic |
of health or hygiene, or contributing to health or sanitation. |
| hygienics |
see "hygiene." |
| hygienist |
a person skilled in any of various areas of hygiene, esp. a dentist's assistant. |
| hygro- |
moisture; humidity. |
| hygrometer |
any of several instruments that measure the amount of moisture in the air. |
| hygroscope |
an instrument that indicates humidity changes in the air. |
| hygroscopic |
attracting or easily absorbing atmospheric moisture. |