| EPIPHYTOLOGY | • epiphytology n. Study of epiphytes and their ecology. • EPIPHYTOLOGY n. the study of epiphytes. |
| 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. |
| HYPOCOTYLOUS | • HYPOCOTYLOUS adj. of or like a hypocotyl, the stem of a plant below the cotyledons. |
| HYPOCYCLOIDS | • hypocycloids n. Plural of hypocycloid. • HYPOCYCLOID n. a curve generated by a point on the circumference of a circle which rolls on the inside of another circle. |
| HYPODIPLOIDY | • hypodiploidy n. The state of being hypodiploid; hypoploidy in diploid organisms (including humans). • HYPODIPLOIDY n. the state of being hypodiploid, having slightly fewer than the diploid number of chromosomes. |
| HYPOTHYROIDS | • HYPOTHYROID n. someone suffering from hypothyroidism. |
| HYPOTONICITY | • hypotonicity n. The quality of being hypotonic. • HYPOTONICITY n. the state of being hypotonic. |
| 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. |
| 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. |
| POLYPHYLLOUS | • polyphyllous adj. (Botany) Having many leaves (or flowers). • POLYPHYLLOUS adj. having the perianth leaves free. |
| POLYPHYODONT | • polyphyodont n. Any animal whose teeth are continuously replaced. • POLYPHYODONT adj. having more than two successive dentitions. |
| SYNAPOMORPHY | • synapomorphy n. (Cladistics) A derived trait that is shared by two or more taxa of shared ancestry. |
| ZOOPHYTOLOGY | • zoophytology n. The natural history of zoophytes. • zoöphytology n. Archaic spelling of zoophytology. • ZOOPHYTOLOGY n. the study of zoophytes, plantlike animals. |