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 Apteron Synonym of Aptera (“ancient city in western Crete”). apteronotid Any member of the family Apteronotidae, the ghost knifefishes. apterous Without wings. aptery Complete absence of wings. apterygial That lacks limbs, fins or wings. apterygid Any member of the Apterygidae. apterygote Any insect of the order Apterygota. apteryla Any of the regions of a bird's skin, between the pterylae, which are free of contour feathers, and where filoplumes and down may grow. apteryx Kiwi bird. Apthorp A surname Aptian A subdivision of the Early (Lower) Cretaceous epoch. aptiganel A discontinued drug with neuroprotective effects but undesirable side effects. APTIME The set of problems decidable by an alternating Turing machine in polynomial time. aptitude A natural ability to acquire knowledge or skill. aptitudinal Relating to aptitude. aptitudinally In an aptitudinal manner. aptly In an apt or suitable manner; fittingly; appropriately; suitably. aptness Suitability; the quality of being apt or suitable. aptocaine A particular local anesthetic. aptonym A proper name that aptly describes the occupation or character of the person, especially by coincidence. aptonymous Of or pertaining to aptonymy. aptonymy The state of being an aptonym. aptophilia Attraction to the hypothetical utility or inconvenience (such as clumsiness) of unusual, nonhuman bodily traits. aptoprecipitate To precipitate by means of an aptamer aptoprecipitation precipitation by means of an aptamer Aptos A census-designated place in Santa Cruz County, California, United States. aptote A noun (broadly speaking) which has no distinction of cases; an indeclinable noun. aptotic Uninflected. aptronym A name that is aptly suited to its owner. aptronymic Aptly-named; with an apt name. aptronymous Of or pertaining to an aptronym. aptyalia Reduced secretion of saliva. aptyalism Complete lack of salivation. aptychus A hard calcareous plate forming part of the body of an ammonite. apuanite A tetragonal-ditetragonal dipyramidal black mineral containing antimony, iron, oxygen, and sulfur. apud Used in scholarly works to cite a reference at second hand apudoma An endocrine tumor arising from an APUD cell. apuff Out of breath; puffing. Apuglian Of or from Puglia Apuldram A parish and village in Chichester district, West Sussex, England. Apuleian Of or relating to the ancient Numidian writer Apuleius. Apuleius An author in the Roman Empire, Lucius Apuleius Madaurensis. Apulia A peninsula and administrative region in southern Italy. Apulian Of, from or relating to Apulia, Italy. apulid The water chestnut apulmonic Not pulmonic; lacking, or not using, the lungs. apulosis the formation of scar tissue as part of the healing process apulotic promoting cicatrization, apulosis apulse Pulsing. Apure A state of Venezuela. apurinic From which purines have been removed. apurpose on purpose; deliberately Apus A constellation of the southern sky, said to resemble a bird of paradise. apusozoan Any member of the Apusozoa, a phylum comprising several genera of flagellate protozoa. Apuzzo A surname from Italian. apyrase Any of a family of enzymes that catalyze the hydrolysis of ATP, releasing phosphate and available energy apyrene Of sperm in species that exhibit sperm heteromorphism, infertile. apyretic Without fever, free from fever. apyrexia The absence or an intermission during a bout of fever. apyrexial Relating to apyrexia. apyrexy apyrexia apyrimidinic From which pyrimidine bases have been removed. apyrogen Any apyrogenic material apyrogenic Synonym of nonpyrogenic. apyrogenicity The condition of being apyrogenic apyrous Not combustible; capable of tolerating great heat without alteration of form or properties. Aqaba A city and governorate in Jordan, on the Red Sea. aqabamycin Any of a class of nitro derivatives of maleimides, isolated from a bacterium of the genus Vibrio, whose metabolites have antibacterial and cytotoxic properties aqal A kind of wigwam built by the nomadic Somali and Afar people. Aqil A male given name from Arabic. aqiqah The sacrifice of an animal after childbirth. aqpik cloudberry Aqqik A township in Lop, Hotan prefecture, Xinjiang autonomous region, China. aqsaqal A village elder in some Central Asian cultures. Aqsaray A township in Karakax, Hotan prefecture, Xinjiang autonomous region, China. Aqsu Synonym of Aksu. aqua Water (as a compound). aquabatic Relating to aquabatics. aquabatics acrobatic maneuvers performed underwater aquabelle A female performer in an aquacade. aquabib A teetotaler; one who does not consume alcohol. aquabics Synonym of water aerobics. aquabike Synonym of jet ski. aquabiking The use of an aquabike. aquabirnavirus Any virus of the genus Aquabirnavirus. aquabis Containing two molecules of water as a ligand aquablation A surgical technique used for the treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia, involving the ablation of prostatic tissue with a high-velocity saline stream with the use of robotic assistance and real-time ultrasonic guidance. aquaboard A board, wider than a water ski but narrower than a surfboard, designed for water skiing with both feet on the same board. aquacade An entertainment consisting of swimmers and divers performing to music aquacise A type of physical exercise practiced in water mostly vertically and without swimming, typically in a swimming pool in waist deep or deeper water. aquacrop An aquatic plant or animal that is farmed. aquacrunk Synonym of wonky (electronic dance music genre) aquacultural Of or pertaining to aquaculture. aquaculturally In an aquacultural manner; with regard to, or by means of, aquaculture. aquaculture The cultivation of aquatic produce such as aquatic plants, fish, and other aquatic animals. aquacultured cultivated using aquaculture aquaculturing aquatic farming aquaculturist A person involved in aquaculture. aquadag A waterbased colloidal graphite coating commonly used in cathode ray tubes. aquadrome Synonym of water park. aquadynamic Having a shape that reduces drag when moving through water. aquadynamically In an aquadynamic manner. aquadynamics The quality or degree of being aquadynamic. aquadynia A burning pain on the skin after bathing aquaehaustus The right of servitude to enter a property in order to take water from the river, loch, well or other source on the burdened property. aquaemanale A ceremonial ewer used in Ancient Roman rainmaking rituals. aquaerobic Of or relating to aquaerobics. aquaerobics Synonym of water aerobics. aquafaba The liquid left over from boiling chickpeas or similar beans, or from a can of chickpeas. aquafact A boulder worn by running water that is too large to be rolled as a pebble, worn smooth on the upstream or seaward side and exposed top and with a sharp ridge on the downstream or landward side. aquafarm A facility where aquaculture is carried out. aquafarmer aquaculturist aquafarming aquaculture aquafauna Aquatic animals considered as a group. aquafeed Any feed for aquatic organisms as part of aquaculture. aquafitness water aerobics, typically preceded or followed by stretching exercises aquaflora Aquatic plants considered as a group. Aquaforte A town in Newfoundland, Newfoundland and Labrador, Canada. aquafortist One who prepares etchings or engravings using aqua fortis. aquagenic Caused by contact with water. aquaglyceroporin A form of aquaporin that is active in the transport of water and glycerol aquaglycoporin A form of aquaporin that is active in the transport of water and glycols (including glycerol) aquagym Synonym of water aerobics. aquaholic Addicted to water. aquake quaking aqualf A kind of alfisol found in areas with a water table close to the surface. aqualfic Relating to aqualfs. aqualite A pink trigonal mineral containing calcium, chlorine, hydrogen, potassium, sodium, oxygen, silicon, strontium and zirconium. aqualung A piece of equipment consisting of an oxygen tank and breathing apparatus used by divers to allow them to breathe underwater. aqualunger A diver who uses an aqualung. aqualungist A diver who uses an aqualung. aquamanile A ewer or jug-like vessel, shaped like an animal or human figure, used for washing the hands. aquamarine The bluish-green colour of the sea. aquamation Synonym of alkaline hydrolysis. aquameter An instrument for measuring water content. aquametric Of or pertaining to aquametrics aquametrics The analysis of trace amounts of water in a sample aquametry The chemical analysis of materials to measure the water present in them. aquamolality solvomolality in the case of water as solvent aquanaut An underwater explorer. aquand An andisol with a water table at or near the surface for much of the year. aquapark A water park. aquapharyngeal Of or pertaining to the bulb-like anterior part of a sea cucumber, containing the pharynx and water vascular system. aquaphilia A sexual attraction to general imagery of people in water, sexual acts in water, or watery environments. aquaphiliac One who exhibits aquaphilia. aquaphilic Having an affinity for water aquaphobe Person who has aquaphobia. aquaphobia A fear of water, especially a morbid fear of drowning. aquaphobic Having aquaphobia aquaphone Synonym of waterphone (“instrument for detecting leaks”).