| ETHNOHISTORY | • ethnohistory n. The history of an indigenous people. • ETHNOHISTORY n. a study of the development of cultures. |
| HELMINTHOLOGY | • helminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms). • HELMINTHOLOGY n. the study of parasitic worms. |
| HONEYMONTHING | • HONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON. |
| HYPOTHECATION | • hypothecation n. The use of property, or an existing mortgage, as security for a loan, etc. • hypothecation n. (Britain) A tax levied for a specific expenditure. • HYPOTHECATION n. the act of taking a mortgage. |
| ONYCHOPHAGIES | • ONYCHOPHAGY n. the habit of biting one's fingernails. |
| HYDRONEPHROSIS | • hydronephrosis n. (Pathology) distension of the kidneys due to obstruction in the flow of urine. • HYDRONEPHROSIS n. distension of the kidney with urine held up as a result of obstruction in the urinary tract. |
| HYDRONEPHROTIC | • hydronephrotic adj. Exhibiting hydronephrosis. • HYDRONEPHROTIC adj. relating to hydronephrosis, distension of the kidney with urine. |
| HYPOTHECATIONS | • hypothecations n. Plural of hypothecation. • HYPOTHECATION n. the act of taking a mortgage. |
| PHONOCHEMISTRY | • PHONOCHEMISTRY n. the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves. |
| PHOTOSYNTHESIS | • photosynthesis n. (Biology) Any process by which plants and other photoautotrophs convert light energy into chemical energy… • PHOTOSYNTHESIS n. the biochemical process in which light energy is absorbed by chlorophyll, and is used to fuel the building of sugar molecules. |
| PHOTOSYNTHETIC | • photosynthetic adj. Of, relating to, or employing photosynthesis. • PHOTOSYNTHETIC adj. relating to photosynthesis. |
| ADENOHYPOPHYSIS | • adenohypophysis n. (Anatomy) The anterior lobe of the pituitary gland, producing and secreting several peptide hormones… • ADENOHYPOPHYSIS n. the anterior glandular lobe of the pituitary gland. |
| EPICHLOROHYDRIN | • epichlorohydrin n. (Chemistry) Any epihalohydrin in which the halogen is chlorine. • EPICHLOROHYDRIN n. a volatile liquid toxic epoxide used esp. in making epoxy resins and rubbers. |
| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| HYPOCHONDRIASES | • hypochondriases n. Plural of hypochondriasis. • HYPOCHONDRIASIS n. morbid concern about one's health esp. when accompanied by delusions of physical disease. |
| NEUROHYPOPHYSIS | • neurohypophysis n. (Anatomy) The posterior lobe of the pituitary gland, responsible for the release of oxytocin and antidiuretic… • NEUROHYPOPHYSIS n. the portion of the pituitary gland that is composed of the infundibulum and posterior lobe and is concerned with the secretion of various hormones. |
| PHOTOSYNTHESISE | • photosynthesise v. Alternative spelling of photosynthesize. • PHOTOSYNTHESISE v. to carry out photosynthesis. |
| PHOTOSYNTHESIZE | • photosynthesize v. To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis. • PHOTOSYNTHESIZE v. to carry out photosynthesis, also PHOTOSYNTHESISE. |
| PHYTOPATHOGENIC | • phytopathogenic adj. Pathogenic to plants. • PHYTOPATHOGENIC adj. of or like a phytopathogen. |