| CHANNELOPATHY | • channelopathy n. (Medicine) Any inherited disease caused by a mutation in the genes that code for ion channel subunits… |
| CHIEFTAINSHIP | • chieftainship n. (Uncountable) The state of being a chieftain. • chieftainship n. (Countable) The area ruled by a chieftain. • CHIEFTAINSHIP n. the rank of chieftain. |
| CHRONOTHERAPY | • chronotherapy n. Any therapy based on the circadian rhythm or other cyclical schedule. • CHRONOTHERAPY n. a treatment that work in harmony with the body's natural time rhythms. |
| ETHNOGRAPHICA | • ETHNOGRAPHICA n. a collection of ethnographic objects. |
| HECTOGRAPHING | • hectographing v. Present participle of hectograph. • HECTOGRAPH v. to copy by hectograph. |
| HYPOTHECATING | • hypothecating v. Present participle of hypothecate. • HYPOTHECATE v. to pledge as security without title or possession. |
| 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. |
| ICHTHYOPSIDAN | • ICHTHYOPSIDAN n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSID. |
| ONYCHOPHAGIST | • onychophagist n. (Rare) A person who bites his or her fingernails. • ONYCHOPHAGIST n. one who bites their fingernails. |
| OPISTHOBRANCH | • opisthobranch n. (Zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group. • opisthobranch adj. (Of gills) Placed behind the heart. • opisthobranch adj. (Of a gastropod) Having gills placed behind the heart. |
| PHILANTHROPIC | • philanthropic adj. Of or pertaining to philanthropy; characterized by philanthropy; loving or helping mankind. • PHILANTHROPIC adj. of, relating to, or characterized by philanthropy, also PHILANTHROPICAL. |
| PHOTOMACHINES | • PHOTOMACHINE n. a machine that prints copies of digital photographs. |
| PHTHALOCYANIN | • phthalocyanin n. Alternative form of phthalocyanine. • PHTHALOCYANIN n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANINE. |
| PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. |
| PSYCHASTHENIA | • psychasthenia n. (Dated) A psychological disorder characterized by phobias, obsessions, compulsions, or excessive anxiety. • PSYCHASTHENIA n. an incapacity to resolve doubts/uncertainties or to resist obsessions/compulsions that one knows are irrational. |
| PSYCHASTHENIC | • psychasthenic adj. Affected with, or relating to, psychasthenia. • psychasthenic n. An individual who has psychasthenia. • PSYCHASTHENIC adj. relating to psychasthenia. |
| TECHNOPHILIAS | • technophilias n. Plural of technophilia. • TECHNOPHILIA n. love of technology. |
| TECHNOPHOBIAS | • technophobias n. Plural of technophobia. • TECHNOPHOBIA n. fear of technology. |
| YACHTSMANSHIP | • yachtsmanship n. The skill or art of sailing a yacht. • YACHTSMANSHIP n. the art of sailing a yacht. |