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 pseudourea isourea pseudouridimycin An antibiotic active against bacterial RNA polymerase pseudouridine An isomer of uridine, 5-ribosyluracil, associated with RNA pseudouridylate Any salt or ester of pseudouridylic acid (pseudouridine 5'-phosphate) pseudouridylation The addition of one or more pseudouridine moieties pseudourostylid Any hypotrich of the family Pseudourostylidae pseudovacuum A quantum state that has many properties of a vacuum pseudovalidate To perform or to undergo pseudovalidation pseudovalidated That has undergone pseudovalidation pseudovalidation An informal or approximate validation pseudovalue Something that resembles a value but is not a true value or does not really belong to the set of data being studied. pseudovariable A named value that acts like a variable but is not a true variable. pseudovariety A class of algebras of a given signature, closed under the taking of homomorphic images, subalgebras and finitary direct products. pseudovariola A milder form of smallpox; alastrim. pseudovarium The organ in which pseudova are produced. pseudovascular Apparently, but not actually, vascular pseudovector A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation pseudovein An apparent vein seen on an X-ray image due to hemorrhage pseudovelar Relating to the pseudovelum. pseudovelocity The apparent velocity of a shock wave pseudovelum A velarium that resembles a velum. pseudoverb A noun or other part of speech that functions as a verb pseudoverbal Having some of the characteristics of a verb, though not in fact a verb. pseudoverticillate Appearing to be verticillate, but not actually so. pseudoverticillately In a pseudoverticillate manner. pseudoviral Having the outward appearance of a virus pseudovirgin A female of certain species that has mated but has not received sperm. pseudovirion A synthetic viral particle that cannot replicate, used to inject foreign nucleic acid into a cell. pseudovirtue False virtue. pseudovirtuous Seemingly but not really virtuous. pseudovirus Any of the family Pseudoviridae of viruses. pseudovitamin A vitamin-like analogue that is biologically inactive in humans. pseudoviviparous Relating to pseudovivipary pseudovivipary The development of plantlets from vegetative buds pseudovowel Synonym of semivowel. pseudovulva A false vulva-like opening in some worms pseudovulval Relating to a pseudovulva pseudovum An egg produced by the agamic females of some insects and other animals, and by the larvae of certain insects. It is capable of parthenogenesis. pseudowavefunction A simplified approximation of an electron's wavefunction. pseudoweight The weight of a pseudocodeword pseudowhorl Any arrangement of tightly-packed leaves that is not an actual whorl pseudowire An emulation of a point-to-point connection over a packet-switching network. pseudowollastonite A very rare cyclosilicate mineral. pseudoword A unit of speech or text that respects the phonotactic restrictions of a language, but is not part of the lexicon; a non-word whose nonexistence is merely an accidental gap. pseudowork Something that appears to be work but is not. pseudoxanthoma Any of several diseases of tendons and other tissues having some characteristics of true xanthomas pseudoxenodontid Any colubrid snake of the family Pseudoxenodontidae pseudoxyrhophiid Any lamprophiid snake of the family Pseudoxyrhophiidae pseudoxyrhophiine Any lamprophiid snake of the subfamily Pseudoxyrhophiinae pseudoyeast Any yeast that does not produce fermentation. pseudoziphodont Apparently ziphodont pseudoziphodonty The condition of being pseudoziphodont pseudozwitterionic Resembling a zwitterion. pseudozygopleurid Any gastropod in the family Pseudozygopleuridae. pseudozygosphene A rudimentary zygosphene present in early reptiles pseudy Characteristic of a pseud; pretentious. pseurotin Any of a class of heterospirocyclic metabolites produced by Pseudeurotium ovalis psh Synonym of pshaw. Pshav A person from Pshavi in Georgia. Pshavi A small historic region of northern Georgia. Pshavian A dialect of the Georgian language spoken in Pshavi. pshaw Indicating contempt, disgust, irritation, impatience, or disbelief. Pshenychne A village, the administrative centre of Pshenychne silrada, Bilohirsk Raion, the Crimea, Ukraine. pshh Synonym of pshaw. pshht Synonym of pshaw. pshRNA proline-modified shRNA psht Synonym of pshaw. psi The twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek. psicopyranose The pyranose form of psicose psicose The monosaccharide (3R,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one that is an epimer of fructose. psidium Any member of the genus Psidium of guava plants. psig Pounds per square inch, gauge (unit of pressure) psikhushka A mental hospital used for abusive psychiatric treatment of political dissidents. psilanthropic Relating to, or embodying, psilanthropy. psilanthropism psilanthropy psilanthropist One who believes that Jesus Christ was a mere man. psilanthropy The doctrine that Jesus Christ was merely human, i.e. not the son of God. psilasteroside A particular steroid glycoside. psilate Lacking ornamentation; having very small scabrae. psile Synonym of smooth breathing. psili Synonym of smooth breathing. psilid Any member of the Psilidae. psiloceratacean Any ammonoid cephalopod of the superfamily Psilocerataceae. psiloceratid Any ammonite of family Psiloceratidae. psilocin 4-hydroxy-dimethyltryptamine, a hallucinogenic alkaloid found in most psychedelic mushrooms. psilocybe Any mushroom of the genus Psilocybe. psilocybin A hallucinogenic alkaloid, C₁₂H₁₅N₂O·H₂PO₃, present in several species of Central American mushroom and producing effects similar to LSD. The prodrug of psilocin. psiloi The light infantry of an Ancient Greek army, usually acting as skirmishers and missile troops. psilomelane Any hard, black hydrous manganese oxide with variable amounts of barium and potassium. psilomelanic Of or relating to psilomelane. psilopaedic Having down on the dorsal side only. psiloparmelioid relating to lichen of the genus Psiloparmelia psilophyte Any plant that is adapted to live in a savannah psilophytic Relating to psilophytes. psilopterine Any extinct phorusrhacid of the genus Psilopterus psilorhynchid Any fish in the family Psilorhynchidae. Psiloritis A massif on the island of Crete that includes Mount Ida. psilosis The sound change by which Greek lost the consonant sound /h/ during antiquity, h-dropping. psilosopher A false philosopher. psilostachyin Any of a group of bioactive isolates of Ambrosia psilostachya. psilostomatid Any trematode in the family Psilostomatidae. psilostrophe Any member of the genus Psilostrophe. psilotaceous Of or relating to the Psilotaceae. psilotic Of or relating to psilosis. psilotophyte Any of the whisk ferns, of order Psilotales. Psinas A surname. psion The psi-meson, a sub-atomic particle. psionic Of or relating to psionics. psionically By means of psionics. psionicist A person with psionic powers. psionics Mental powers, especially those under conscious control, that affect physical matter, such as telekinesis. psithurism The sound of rustling leaves or wind in the trees. psittaceous Of or relating to psittacids, a group of parrots. psittacid Any member of the family Psittacidae of African and neotropical parrots psittaciform Belonging or relating to the order Psittaciformes of parrots and some other birds. psittacine Of or pertaining to parrots. psittacinite Synonym of mottramite. psittacism Mechanical, repetitive words used without understanding or consideration. psittacistic Of or relating to psittacism. psittacofulvin A type of yellow pigment found in the feathers of parrots psittacosaur Any dinosaur of the family Psittacosauridae; a psittacosaurus. psittacosaurid Any dinosaur of the family †Psittacosauridae; a psittacosaurus psittacosaurus Any of several dinosaurs, of the genus Psittacosaurus, that lacked horns psittacosis An infection by Chlamydia bacteria, caught from infected birds, and characterised by fever, pneumonia and headaches. psittacotic Relating to psittacosis. psittaculid Any parrot in the family Psittaculidae. psivamp A person who claims to consume the psychic energy of others as part of the vampiroid subculture. Pskov An oblast in northwestern Russia. Pskovian Of, pertaining to or characteristic of Pskov, its people, culture or language. psoas Either of two muscles, the psoas major and psoas minor, involved in flexion of the trunk. psoatic Relating to the psoas. psocid Any barklouse of the family Psocidae. psocodean Any insect of the superorder and order Psocodea. psocopteran Any insect of the order Psocoptera. psocopterous Of or pertaining to the taxonomic order Psocoptera. PSOE The Spanish Socialist Workers’ Party. psogos A speech that attempts to insult, degrade, or otherwise attack something. psoitis Inflammation of a psoas muscle or its sheath. psolid Any member of the family Psolidae of sea cucumbers. psomophagic Exhibiting or relating to psomophagy. psomophagist One who practises psomophagy. psomophagy The condition of not chewing food before swallowing it. psophiid Any member of the Psophiidae; a trumpeter. psophometer An instrument used in telecommunications to measure the noise of a telephone circuit. psora A cutaneous disease, especially psoriasis, scabies, or mange. psoralea Any of the plants of the genus Psoralea. psoralen Any of a group of furanocoumarins, from the seeds of various plants, that are used to treat psoriasis, eczema and vitiligo. psoralenoside A glycoside present in Psoralea corylifolia psoriasiform Resembling psoriasis psoriasin An inflammatory calcium-binding protein found on human skin