Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z omphalotrochid Any extinct gastropod in the family Omphalotrochidae. Omphile A unisex given name from South Africa. Ompraret A surname from French. omrah A noble of the Mughal Empire or other Muslim Indian state. Omsk A city, the administrative center of Omsk Oblast, Russia, the seventh-largest in the country by population. omugwo In Igbo culture, postpartum care provided to a new mother by the newborn's maternal grandmother or mother-in-law or a female relative. omul Any of the salmon-like fish of species Coregonus migratorius (syn. Coregonus autumnalis migratorius), native to Lake Baikal in Siberia Omura A surname from Japanese. omuralide A transformation product of lactacystin. omuramba A watercourse, which may be dry much of the year, in the Kalahari Desert. Omurano A language isolate formerly spoken in Peru. omurice A Japanese dish consisting of an egg omelette with rice mixed with ketchup in the center. Omushkego Synonym of Swampy Cree (“language”). omutsu A diaper. omweso A traditional mancala game of Uganda. omy Mellow, as land. on In the state of being active, functioning or operating. ONA A language spoken by the Selk'nam people in Isla Grande de Tierra del Fuego in southernmost South America. onaga Longtail snapper (Etelis coruscans), a species of ray-finned fish. onager The Asiatic wild ass or hemione (Equus hemionus), an animal of the horse family native to Asia; specifically, the Persian onager, Persian wild ass, or Persian zebra (Equus hemionus onager). onagga The dauw. onagraceous Of or relating to the family Onagraceae of flowering plants, including the fuchsia and the evening primrose. onagrad Any plant of the family Onagraceae onahole An artificial vagina for use in masturbation. Onam A harvest festival celebrated in Kerala, India. Onan The second son of Judah. onanism Masturbation. onanist A person, especially a man, who masturbates. onanistic Of or pertaining to masturbation or onanism. onanistically In an onanistic manner. onapristone A synthetic antiprogestogen used to combat prostate cancer. onartuzumab A humanized monoclonal antibody designed to treat cancer. Onate A surname. Onawa A city, the county seat of Monona County, Iowa, United States. onball In the midfield positions. onballer Any of the three players (the ruckman, ruck rover, and rover) who usually follow the ball around the ground rather than occupying a fixed position. onbeam In line with excited parallel neurofibers. onbeat The first and third beats in a bar of four-four time. onbeia An elephant's tusk trumpet. onboard Carried or used on or in a vehicle or vessel. onboarding The process of bringing a new employee on board, incorporating training and orientation. onbringing A bringing on; an oncome; inducing; induction. onc Oncology. oncaeid Any copepod in the family Oncaeidae. once One and only one time. onceness The state or condition of being once; singularity. oncer A one-pound note. oncet Once. Onchan A village and parish of the sheading of Middle, Isle of Man. onchidiid Any slug in the family Onchidiidae. onchobothriid Any tapeworm of the family Onchobothriidae onchocercal Relating to worms of the genus Onchocerca or to the disease onchocerciasis onchocerciasis A disease caused by a worm of the genus Onchocerca, especially as transmitted to humans by flies and often causing blindness; common in tropical Africa. onchocercid Any nematode in the family Onchocercidae. onchocercoma A nodule containing Onchocerca in river blindness (onchocerciasis). onchocercosis Synonym of onchocerciasis. onchocercotic Of or pertaining to onchocercosis. onchodermatitis A form of dermatitis caused by filarial worms of the genus Onchocerca oncidium Any of the genus Oncidium of tropical orchidaceous plants. oncilla A small spotted felid, of species Leopardus tigrinus, found in the tropical rainforests of Central America and South America. oncoapoptosis The apoptosis of cancer cells, especially when induced therapeutically oncoapoptotic Relating to oncoapoptosis. oncobiology The biology of cancer oncocalyxone Any of a group of analgesic anthraquinones present in Auxemma oncocalyx oncoceratid Any extinct nautiloid cephalopod in the family Oncoceratidae. oncocyte A large, granular cell, having many mitochondria, found in salivary and certain endocrine glands. oncocytic Of or pertaining to an oncocyte or to oncocytoma oncocytoma A benign tumour composed of oncocytes. oncodermatology The study and the treatment of skin disorders that are the result of cancer oncodevelopmental Relating to the development of a cancer oncodiabetology The study of the relationship between cancer and diabetes oncodomain A protein domain responsible for a cancer oncodriver Any substance that "drives" cancer cells towards apoptosis oncofactor Any factor that affects the growth of a cancer oncofertility Fertility despite cancer. oncofetal Typically present only during fetal development, but also found in adults with certain cancers. oncogen Any agent that causes tumors. oncogene Any gene that contributes to the conversion of a normal cell into a cancerous cell when mutated or expressed at high levels. oncogenesis The formation and development of tumors. oncogenetic Relating to oncogenetics. oncogenetically By means of oncogenetics oncogeneticist A geneticist whose speciality is oncogenetics oncogenetics The study of the genetic origin of cancers oncogenic Causing the formation of tumors. oncogenically In an oncogenic manner oncogenicity The state or degree of being oncogenic. oncogenics The study of the formation of tumours. oncogenome A genome of oncogenes. oncogenomic Relating to oncogenomics or to an oncogenome. oncogenomics The study of the relationship between the genome of an individual and cancer oncogenotype Any genotype associated with cancer oncogenous Arising from or caused by a tumor. oncogeny Synonym of oncogenesis. oncogeriatric Relating to cancer in elderly patients oncogeriatrics The branch of geriatrics dealing with cancer in elderly patients oncograph An instrument for registering the changes observable with an oncometer. oncohematological Relating to blood cancer oncohematology The hematology of blood cancers oncohistone A mutated oncogenic histone oncoid A layered structure formed by cyanobacterial growth and making up part of an oncolite. oncoimmunology The immunology of cancer oncoimmunotherapy The use of immunotherapy to treat cancers oncoinflammation inflammation associated with a cancer oncoinflammatory Relating to, or causing oncoinflammation oncokinase A form of onconase oncolipid Any lipid that is associated with a cancer oncolite a spherical sedimentary structure formed by cyanobacteria oncolith Synonym of oncolite. oncolitic Containing oncoids or pertaining to oncolite. oncologic Of or pertaining to oncology oncological Of or pertaining to oncology. oncologically With regard to oncology. oncologist A doctor or scientist who specializes in oncology. oncology The branch of medicine concerned with tumors, including study of their development, diagnosis, treatment, and prevention. oncolysate Any material that causes oncolysis oncolysis The breakdown or destruction of a tumour. oncolytic That breaks up cancer cells. oncom A traditional staple food of West Javan (Sundanese) cuisine in Indonesia, similar to tempeh, and usually made from the by-products from the production of other foods. oncomarker A biomarker that indicates the presence of cancer oncome To arrive; come to; come on. oncomer An oncoming vehicle. oncometabolic Relating to oncometabolism or to oncometabolites oncometabolite Any metabolite that is associated with a cancer oncometer An instrument for measuring the variations in size of the internal organs (usually the kidney) of the body. The organ was placed inside, and subjected to various tests. oncometric Relating to oncometry. oncoming Approach, onset oncomir A form of microRNA involved in a cancer. oncomiracidial Relating to the oncomiracidia oncomiracidium The free-swimming, ciliated larval form of a monogenean. oncomodulation The modification of the course of a cancer. oncomodulator Any material that modifies the progress of a cancer oncomodulatory That modifies the progress of a cancer oncomodulin A calcium-binding parvalbumin found in macrophages oncomouse A type of laboratory mouse that has been genetically modified to carry an activated oncogene, increasing its susceptibility to cancer. oncomutation A mutation associated with a cancer onconase An antitumor ribonuclease proposed for use in chemotherapy onconeural Relating to cancer and to the neural system. onconeuronal Related to cancer and to neurological syndromes oncopathogen Any oncogenic pathogen oncopathology The pathology of cancer oncopeptide A peptide that is associated with a particular cancer oncopharmacology The pharmacology of cancer oncophysics The physics of cancer oncoplastic Describing plastic surgery that mitigates the physical effects of cancer oncoplot A diagrammatic representation of genetic mutations oncopodid Any harvestman/daddy longlegs in the family Oncopodidae, a synonym of the Sandokanidae. oncopromoting That promotes cancer oncoprotective That protects against cancer oncoprotein A protein that is coded for by an oncogene. oncoproteogenome A proteogenome of oncogenes.