| GEOHYDROLOGY | • geohydrology n. (Geology) hydrogeology. • GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water. |
| HYDROBIOLOGY | • hydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water. • HYDROBIOLOGY n. the study of aquatic organisms. |
| HYDROGEOLOGY | • hydrogeology n. The geology of groundwater, especially concerning the physical, biological and chemical properties of… • HYDROGEOLOGY n. the study of the geological action of water. |
| HYDROPHYTONS | • HYDROPHYTON n. the coenosarc of a hydroid colony. |
| HYDROPHYTOUS | • hydrophytous adj. Relating to hydrophytes. • hydrophytous adj. Relating to hydrophytons. • HYDROPHYTOUS adj. like a hydrophyte, also HYDROPHYTIC. |
| HYPOTHYROIDS | • HYPOTHYROID n. someone suffering from hypothyroidism. |
| HYSTEROSCOPY | • hysteroscopy n. (Medicine) The examination of the uterus using a hysteroscope. |
| LARYNGOPHONY | • laryngophony n. The sound of the voice as heard through a stethoscope placed upon the larynx. • LARYNGOPHONY n. the sound of the voice as heard through the stethoscope applied over the larynx. |
| MYRMECOCHORY | • myrmecochory n. (Biology) The dispersal of seeds, spores, or fruit by ants. • MYRMECOCHORY n. the dispersal of fruits and seeds by ants. |
| OXYHYDROGENS | • OXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding. |
| PHARYNGOLOGY | • pharyngology n. (Medicine) The science that studies the pharynx and treatment of its diseases. • PHARYNGOLOGY n. the study of the throat. |
| PHARYNGOTOMY | • pharyngotomy n. (Surgery) The operation of making an incision into the pharynx, to remove a tumour or anything that… • pharyngotomy n. Scarification or incision of the tonsils. • PHARYNGOTOMY n. the surgical removal of the pharynx. |
| SYNAPOMORPHY | • synapomorphy n. (Cladistics) A derived trait that is shared by two or more taxa of shared ancestry. |