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 perezone A sesquiterpene quinone found in various Perezia species. Perezperez A surname. perfect Fitting its definition precisely. perfecta A kind of bet wherein the first- and second-place finishers must be predicted in the correct order. perfectability The state or quality of being able to be perfected. perfectamundo perfect perfectation The process or result of perfecting something perfecter A person who perfects something perfectibilian A perfectionist. perfectibilism Perfectionism. perfectibilist A believer in perfectibility. perfectibilitarian A perfectionist. perfectibility The possibility of achieving perfection. perfectible Able to be perfected; capable of perfection. perfecting The bringing of something to a state of perfection. perfection The quality or state of being perfect or complete, so that nothing substandard remains; the highest attainable state or degree of excellence. perfectional Of or relating to perfection; characterized by perfection. perfectionate To make perfect or complete; to perfect. perfectionism An unwillingness to settle for anything less than perfection. perfectionist Someone who is unwilling to settle for anything that is not perfect or does not meet extremely high standards. perfectionistic Perfectionist. perfectionistically In a perfectionistic way. perfectionitis Excessive perfectionism. perfectionize To bring to perfection; to perfect. perfectionless Devoid of perfection. perfectionment The act of bringing to, or achieving, perfection. perfectissimate the office of a perfectissimus perfectist A perfectionist. perfectitude Perfection. perfective Of, or relative to, the perfective aspect. perfectively In a perfective manner or context perfectiveness The state or quality of being perfective perfectivity The state of being in perfective aspect or the imperfective aspect perfectivization The process of forming a perfective verb from the imperfective verbal stem. perfectivize To make perfective. perfectly With perfection. perfectness The quality of being perfect; perfection. perfecto Perfect, excellent, brilliant. perfectoid Of a field: being a complete topological field whose topology is induced by a nondiscrete valuation of rank 1. perfector One who perfects. perfectus Synonym of perfect (“leader of the Cathar movement”). perfed perforated perfervid Extremely, excessively, or feverishly passionate; zealous. perfervidity The quality of being perfervid. perfervidly In a perfervid manner. perfervidness The quality of being perfervid. perfervor The state of being perfervid; passion; zealotry. Perfetti A surname from Italian. Perfetto A surname from Italian. perficient One who performs or perfects a work. perfidious Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance. perfidiously In a perfidious manner. perfidiousness Unfaithfulness; deceitfulness; perfidy. perfidy A state or act of violating faith or allegiance; violation of a promise or vow, or of trust. perfin Perforated initial; a series of small holes punched into a stamp and forming a letter, series of letters or other design for the purpose of preventing the unauthorized use of the stamps. perfix To fix, appoint, or allocate. perflable Capable of being blown through; permeable to air currents. perflate To blow through (as of wind). perflation The act of perflating, or blowing through. perfloxacin A particular quinolone antibiotic, 1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-quinoline-3-carboxylic acid perflubrodec perfluorodecyl bromide perflubron perfluorooctyl bromide, a fluorochemical perflubutane A contrast agent. perfluoric Relating to the highest oxidation state of fluorine. perfluorinate To fluorinate thoroughly: to add the maximum amount of fluorine to. perfluorinated Thoroughly fluorinated: reacted with fluorine such that many hydrogen atoms have been replaced with fluorine. perfluorination The act of perfluorinating. perfluoro Describing any compound or radical in which every hydrogen atom has been replaced by fluorine perfluoroalkane A type of hydrocarbon with hydrogen replaced by fluorine. perfluoroalkanoate Any perfluoro alkanoate perfluoroalkoxy A perfluoro derivative of an alkoxy radical perfluoroalkyl Any perfluoro derivative of an alkyl group. perfluoroalkylate To modify by perfluoroalkylation perfluoroalkylated Modified by perfluoroalkylation perfluoroalkylating That produces or undergoes perfluoroalkylation perfluoroalkylation Any reaction that adds one or more perfluoroalkyl groups to a molecule perfluoroalkyliodonium Any perfluoroalkyl iodonium cation perfluoroaryl Any perfluoro derivative of an aryl group perfluoroarylation Any reaction in which one or more perfluoroaryl groups are added to a molecule perfluorobutane A colourless gaseous fluorocarbon, C₄F₁₀, used in fire extinguishers and in ultrasound imaging perfluorobutanoate Any perfluoro derivative of a butanoate group or anion perfluorocarbon Any compound formally derived from a hydrocarbon by replacing each hydrogen atom with one of fluorine; used as refrigerants, solvents, and anesthetics. perfluorochemical Any perfluorinated compound. perfluorocyclobutane octafluorocyclobutane perfluorodecalin A perfluorocarbon, a derivative of decalin in which all of the hydrogen atoms are replaced by fluorine atoms. perfluorodecanoate Any perfluoro derivative of a decanoate group or anion perfluorodecyltrichlorosilane A colourless liquid chemical with the molecular formula C₁₀H₄Cl₃F₁₇Si, whose molecules form self-assembled monolayers. perfluoroether Any ether in which every hydrogen atom has been replaced by fluorine perfluoroglutarate a perfluoro derivative of the glutarate group perfluoroheptane Any perfluoro derivative of a heptane, but especially n-perfluoroheptane perfluoroheteroaromatic Describing any fully fluorinated heteroaromatic compound perfluorohexacene Any perfluoro derivative of a hexacene perfluorohexane The saturated aliphatic fluorocarbon C₆F₁₄ perfluorohexanoate Any perfluoro derivative of a hexanoate group or anion perfluorohexyl Any perfluoro derivative of a hexyl radical perfluoromethylcyclohexane A fluorocarbon liquid derived from hydrocarbon methylcyclohexane used as a solvent for gases. perfluorononanoate Any perfluoro derivative of a nonanoate group or anion perfluorooctane A derivative of octane, C₈F₁₈, in which every hydrogen atom has been replaced by those of fluorine perfluorooctanesulfonamide A synthetic organofluorine compound and persistent organic pollutant. perfluorooctanoate A salt or ester of perfluorooctanoic acid. perfluorooctanoic Of or pertaining to perfluorooctanoic acid or its derivatives perfluorooctyl Any perfluoro derivative of an octyl radical perfluoropentacene The completely fluorinated derivative of pentacene; it is an organic semiconductor perfluoropentane Any perfluoro derivative of a pentane, but especially n-perfluoropentane perfluoropolyether Any polyether in which every carbon atom has been replaced by fluorine. perfluoropolymer Any polymer derived from another by replacing all (or most) of the hydrogen atoms by those of fluorine perfluoropropane The fluorocarbon C₃F₈ perfluorosilane Any perfluoro derivative of a silane perfluorosulfonate Any sulfonate whose hydrogen atoms have all been replaced with those of fluorine; many of then are used as ionomers. perfluorotributylamine A liquid whose molecular structure consists of three butyl moieties connected to an amine center, in which the hydrogen atoms have all been replaced with fluorine. It is produced by the electronics industry and is a potent greenhouse gas. perfluorotrihexylamine A chemical compound, C₁₈F₃₉N. perfluoroundecanoate Any perfluoro derivative of an undecanoate group or anion perflutren A preparation of microspheres used as an ultrasound contrast agent perfoliate Appearing to have the stem passing through the blade. perfoliately In a perfoliate manner. perfoliation The state of being perfoliate. perforable Capable of being perforated or penetrated. perforans The long flexor muscle of the toes, or the deep flexor muscle of the fingers. perforant Perforating. perforasome A perforator and its immediate vascular territory perforate IPA⁽ᵏᵉʸ⁾: /ˈpɜː.fə.ɹeɪt/ perforated Pierced with holes. perforately In a perforate manner. perforation The act of perforating or the state of being perforated. perforative Having the power to perforate or pierce; piercing. perforator A tool or machine that makes holes, or perforates, materials such as paper and card. perforatorium The acrosome. perforatus The short flexor of the toes, or the superficial flexor of the fingers. perforce By constraint of circumstances; of necessity; as a matter of course. perforcedly Synonym of perforce (“necessarily; by constraint of circumstances”). perforcely Synonym of perforce (“necessarily; by constraint of circumstances”). perforin A cytolytic protein found in natural killer cells. perform To do (something); to execute. performability A measurement of how well a system performs over a period of time, regardless of the presence of faults. performable Able to be performed. performance The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action. performancewear clothing for athletes, designed to maximize their performance performant Of or relating to performance. performantly In a performant way. performation Performance. performatism Synonym of performativity. performative Being enacted as it is said. performatively In a performative manner. performativeness The quality of being performative. performativism Synonym of performativity. performativity The capacity of language and expressive actions to perform a type of being. performatory Synonym of performative. performent Performance. performer One who performs for, or entertains, an audience. performerly Characteristic of a performer.