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 Exner A surname from German. exnihilate To bring into existence from nothing. exnihilation The act of bringing into existence from nothing. exnovation The removal of innovation, for example by settling upon a working strategy and not seeking further changes. exoactive Being or relating to a kind of verb whose action is directed outward from the subject. exoactivity The state of being exoactive. exoamylase An amylase that hydrolyses glycosidic bonds near an end of the polysaccharide exoamylasic Relating to an exoamylase exoanthropic Relating to non-humans exoantigen ectoantigen exoarchaeology Synonym of xenoarchaeology. exoascal Relating to the exoascus. exoascus The outer functional layer of a fissitunicate ascus. exoasteroid An asteroid outside the Solar System. exoatmosphere The region of space just outside the atmosphere proper; the outer atmosphere. exoatmospheric Pertaining to, or occurring in the nearby region of space outside the Earth's atmosphere exoatmospherically In the nearby region of space outside Earth's atmosphere. exobase The base altitude of the exosphere, where particles often escape the atmosphere as it blends into space. exobasidiaceous Of or relating to the Exobasidiaceae. exobasidial Separated from the basidium by a wall. exobiological Of or pertaining to exobiology; alien. exobiologically In terms of exobiology. exobiologist A biologist whose speciality is exobiology. exobiology The branch of biology dealing with exolife: (putative or predicted) extraterrestrial lifeforms (those originating from planets other than Earth). exobiotic From outside of an organism or from the substrate. exocannibal One who practises exocannibalism. exocannibalism A form of cannibalism, the eating of members of other social groups than one's own, as opposed to endocannibalism. exocanthion A cephalometric landmark representing the lateral canthus as a single point. exocanthus Synonym of exocanthion. exocapillary Relating to a capillary that is external to a glomerulus of the kidney exocarboxypeptidase An exoenzyme carboxypeptidase exocardiac Outside of the heart exocardial Situated or arising outside of the heart. exocarp The outermost layer of the pericarp of fruits; the skin or epicarp. exocarpal Relating to an exocarp. exocarpic Relating to an exocarp exoccipital Pertaining to a bone or region on each side of the great foramen of the skull. exocellobiohydrolase Any exocellular cellobiohydrolase exocellular That occurs outside of a cell (though may be initiated from within one) exocellulase Any cellulase that hydrolyse glycoside links at the ends of cellulose chains exocelomic Outside of the coelom exocentric Focused or centered on something outside of itself. exocentrically In an exocentric manner. exocentricity The quality of being exocentric. exocervical Relating to the exocervix exocervix The protective mucous membrane on the exterior of the cervix. Exocet A French antiship missile. exocharmic Describing chemistry demonstrations that are visually exciting for students. exochelin An extracellular siderophore produced by some mycobacteria exochitinase Any chitinase that cleaves a chitin molecule at a terminal position exochorion The outer layer of the chorion of an insect egg exochorionic Outside of a chorion exochromic Being penetrated by connective tissue that contributes pigmentation. exochromosomal That is not part of a chromosome exocoelom An extraembryonic coelom exocoelomic Outside a coelom. exocoetid Any fish in the family Exocoetidae; a flying fish. exocoetoid Any fish of the superfamily Exocoetoidea; a flying fish or halfbeak. exocomet An extrasolar comet; A comet which exists outside Earth's solar system, including interstellar comets and comets that orbit stars other than the sun. exocometary related to exocomets exocommunication Communication with extraterrestrial species. exocompound Synonym of exo-isomer. exocon The part of a conjugated metabolite which is derived from the parent compound. exocone An elongated crystallized cone made of transparent material from the cornea in an insect eye. exoconsciousness The study of extraterrestrial dimensions of human consciousness: the origins, dimensions, endowments and abilities of human consciousness that link us directly to the cosmos and its inhabitants. exoconsistency Consistency with external elements; semantic compatibility. exocortex A special triple layer in the roots of saprophytic orchids. exocortical Outside the cortex. exocortis A viral disease of citrus and tomato plants. exocranial On the outside of the cranium exocranially In an exocranial manner or direction exocrinally In an exocrine manner exocrine Producing external secretions that are released through a duct. exocrinology The study of external (exocrine) secretions, especially of pheromones exocrinopathic Relating to exocrinopathy exocrinopathy Any disease of the exocrine system exoculate To deprive of eyes; blind. exocuticle The layer between the epicuticle and the endocuticle of an insect exocuticular Relating to the exocuticle. exocyclic (of a cyclic compound) not forming part of, or not attached to the ring exocyst a eukaryotic protein complex with functions related to vesicle trafficking, leading to a role in exocytosis exocytic Outside of a cell exocytically In an exocytic manner exocytoplasmic Situated outside of the cytoplasm exocytose To undergo exocytosis exocytosed Produced by exocytosis exocytosis The secretion of substances through cellular membranes, either to excrete waste products or as a regulatory function. exocytotic Of or pertaining to exocytosis exocytotically In an exocytotic manner exocytotoxic Cytotoxic outside of the cell that produced the cytotoxin. exodaenodont The enamel that overlies and extends ventrally down the anterior root of a tooth of some mammals exode departure; exodus, especially the exodus of the Israelites from Egypt exodeoxyribonuclease Any of a group of esterases that catalyze the division of DNA. exoderm An outer layer of skin. exodermal Relating to the exodermis exodermis hypodermis exodeubiquitinase exocytic deubiquitinase exodeviation A form of exotropia. exodia Perfectly assembled or composed and thus invincible. exodic Conducting influences from the spinal cord outward; said of the motor nerves or efferent nerves. exodigestion exocytic digestion exodist One who goes out or emigrates; a member of an exodus. exodium Synonym of exode (“a comic performance after a tragedy”). exodomain ectodomain exodontia The extraction of teeth. exodontic Relating to tooth removal. exodontics the extraction of teeth exodontist One who removes teeth. exodos A final scene or departure in a play, especially a tragedy. exodrift A tendency to exotropia exodus A sudden departure of a large number of people. exodust Of an African-American: to leave a state in the Southern United States as part of a mass migration, especially the Exodus of 1879. exoduster An African-American who migrated from a state along the Mississippi River in the Southern United States to Kansas, mostly between 1879 and 1881 during the Reconstruction era. exoearth Any earthlike exoplanet exoelectrogen Any microorganism that can transfer electrons extracellularly exoelectrogenesis extracellular electrogenesis exoelectrogenic Relating to, or characteristic of an exoelectrogen; relating to exoelectrogenesis exoemission Exoelectron emission. exoenergetic That releases energy to its environment exoenergic That releases energy; exothermic exoenteric Outside of the bowel or intestine exoenthalpic In which enthalpy increases; exothermic. exoenzymatic Relating to an exoenzyme exoenzyme Any enzyme, generated by a cell, that functions outside of that cell. exoenzymic Synonym of exoenzymatic. exoergic Occurring with the release of energy. exoergicity The difference in bond dissociation energies of a reaction, symbol ΔE₀, such that energy is released. exoerythrocytic Outside of an erythrocyte exoerythrocytically Outside of an erythrocyte. exoethnonym An ethnonym used by those who do not belong to the ethnic group it describes. exoface The external surface of a coiled protein exofacial facing away from a cell exofacially In an exofacial manner or direction exofocal Outside of a specific small area exogalactic Synonym of extragalactic (originating from outside the Milky Way galaxy) exogamic Of or pertaining to exogamy. exogamist Pertaining to exogamy. exogamous Of or relating to exogamy. exogamously In an exogamous manner. exogamy Marriage to or mating with a person belonging to a tribe or group other than one's own, especially as required by custom or law. exogangue Gangue that is located outside phosphatic grains. exogastric Outside of the stomach. exogastrically In an exogastric manner. exogastrulate To experimentally induce disturbance of the process of gastrulation in animal embryos. exogastrulation The process of exogastrulating. exogen A plant characterized by wood, bark and pith, the wood forming a layer between the other two, and growth only occurring on the outside. exogeneity The condition, or the extent, of being exogenous exogenesis The theory that life on Earth is of extraterrestrial origin. exogenetic Existing or arising outside of a system or organism; exogenous. exogenic Originating on or above the surface of the earth; exogenetic.