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 persulfidation reaction with a persulfide persulfide Any sulfide containing more than the usual proportion of sulfur atoms persulfidic Relating to or composed of persulfides. persulfido A ligand consisting of two sulfur atoms with a double negative charge. (S₂²⁻) persulfurane Any compound, of general formula SR₆, containing hexavalent sulfur attached to six atoms or groups. persulfurated Modified by the addition of persulfide bonds persulfuration The addition of persulfide bonds persulfuric Of or pertaining to persulfuric acid persulphocyanate A salt of persulphocyanic acid. persulphocyanic Only used in persulphocyanic acid persulphocyanogen thiocyanogen persulphuret persulfide persymmetric Such that the values on each line perpendicular to the main diagonal are the same for a given line. persymmetry The property of being persymmetric. pert Attractive. pertactin A highly immunogenic virulence factor of Bordetella pertussis, a bacterium that causes pertussis. pertain To belong to or be connected as a part, adjunct, attribute, or accessory. pertaining Something that pertains; an appurtenance. pertainment The condition of pertaining to something; pertinence; relevance. pertainym A word, usually an adjective, which can be defined as "of or pertaining to" another word. pertainymy The relationship between terms that are pertainyms. Pertame An Arandic language. pertechnate Any salt or ester of pertechnic acid. pertechnetate The univalent technetium anion TcO₄⁻; any salt containing this anion pertechnetic Relating to pertechnetic acid or its derivatives Pertenhall A small village and civil parish (served by Pertenhall and Swineshead Parish Council) in Bedford borough, Bedfordshire, England (OS grid ref TL0865). Perth A city in Perth and Kinross council area, Scotland, historically in Perthshire. perthamide Any of a group of cyclopeptides present in marine sponges of the genus Theonella perthane An insecticide, 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane Perthian A native or inhabitant of the city of Perth, Western Australia, Australia. perthiocyanate A salt or ester of perthiocyanic acid. perthiocyanogen persulphocyanogen perthite A laminated mixture of two feldspars: plagioclase and either orthoclase or microcline. perthitic Of, pertaining to, or resembling perthite perthitically In the form of perthite. Perthonality A local celebrity within Perth, Western Australia. Perthshire A historical county in central Scotland, joined with Kinross-shire for administration after 1929. Perthville A locality in the Bathurst council area, central eastern New South Wales, Australia. pertinacious Holding tenaciously to an opinion or purpose. pertinaciously In a stubbornly resolute manner; tenaciously holding one's course of action or opinion. pertinaciousness The state or characteristic of being pertinacious. pertinacity The state or characteristic of being pertinacious. pertinacy The quality or state of being pertinent; pertinence. pertinate pertinacious pertinately pertinaciously pertineer Almost; nearly. pertinence The quality of being pertinent. pertinency The quality of being pertinent to the matter at hand; relevance. pertinent A right that attaches to land, in Scots law. pertinently In a pertinent manner; relevantly. pertinentness The quality of being pertinent. pertingent Touching; having direct contact with. pertish Somewhat pert. pertly In a manner that is lively or high-spirited pertness The quality of being pert; cheekiness, impudence. pertransient Passing through; transient. pertrochanteric Passing through the (greater) trochanter pertsevite An orthorhombic-pyramidal colorless mineral containing boron, calcium, fluorine, hydrogen, iron, magnesium, manganese, oxygen, and silicon. pertuisan A kind of halberd or pike. perturb To cause (something) to be physically disordered or disturbed; to cause confusion. perturbability The quality or state of being perturbable. perturbable That can be perturbed. perturbagen A substance (typically a peptide) designed to disrupt intracellular processes, providing information about the operation of pathways and networks within a cell. perturbance perturbation perturbant Anything that causes perturbation perturbate To perturb. perturbated perturbed perturbation Agitation; the state of being perturbed. perturbational Of, pertaining to, or caused by perturbation. perturbatious Causing or relating to perturbation. perturbative Of, pertaining to, or causing perturbation perturbatively In a perturbative manner perturbativity The condition of being perturbative. perturbator Something that perturbates perturbatory Relating to, or causing, perturbation. perturbed Disturbed; flustered. perturbedly In a perturbed manner. perturbedness The state or condition of being perturbed. perturber One who or that which perturbs. perturbingly In a manner that perturbs. perturbment perturbation pertusariaceous Of or relating to the Pertusariaceae. pertusarialean Any fungus of the order Pertusariales pertusate Pierced (at the apex); perforated. pertuse pierced or punched with holes pertused pertuse; pierced with holes pertusion The act of punching or piercing with a pointed instrument. pertussal Pertaining to pertussis or whooping-cough. pertussis Whooping cough. pertussoid Characteristic of whooping cough pertuzumab A monoclonal antibody being developed as a drug to slow tumour growth. Pertwee A surname. Peru A country in South America. Official name: Republic of Peru. Capital and largest city: Lima. Perugia The capital city and associated province of Umbria, Italy. Perugian Of, from or relating to the city or province of Perugia, Umbria, Italy. Peruginesque Of or pertaining to Pietro Perugino. Perugini A surname from Italian. Perugu A surname from Telugu. peruke A wig, especially one with long hair on the sides and back, worn mainly by men in the 17th and 18th centuries. peruked Wearing a peruke. peruker A manufacturer of perukes. perukier A maker or seller of perukes. perula One of the scales of a leaf bud. perular Of or relating to perulae. perulate Bearing perulae. Perumal a Hindu deity, considered to be a form of Vishnu. Perun The highest god in the pantheon of Slavic mythology, the god of thunder and lightning. perusable Capable of being perused. perusal Studying something carefully; a careful study. peruse To examine or consider with care. perusement perusal peruser One who peruses. Perusia An ancient Etruscan and later Roman city which eventually became present-day Perugia, Italy. Perusine Of or pertaining to Perusia (ancient Perugia). perusing Synonym of perusal. Perusinian Of or pertaining to Perusia. perusitin A particular steroid glycoside. Perusse A surname from French. Peruvian A person from Peru or of Peruvian descent. Peruvianization the act or process of making Peruvian. Peruvianize To make Peruvian. Peruvianness The quality or state of being Peruvian. peruvianolide A withanolide present in Physalis peruviana peruviol Nerolidol. peruvoside A cardiac glycoside derived from Cascabela thevetia. perv A sexual pervert. pervade To be in every part of; to spread through; to permeate. pervadence Synonym of pervasion. pervader That which pervades. pervadingly In a manner that pervades. pervadingness The quality of being pervading. pervaginal By way of the vagina pervalicious Perverted in a delicious or appealing way. pervalvar perpendicular to the centre of the valve face of a diatom pervanadate The oxyanion VO₄³⁻ or any salt containing this anion pervaporate To evaporate through a semipermeable membrane, as a method of separating liquids. pervaporation A technique whereby the components of a mixture of two liquids are separated by selective permeation through a semipermeable membrane, the component that passes through the membrane being removed by evaporation pervasion The act of pervading; permeation; suffusion. pervasive Manifested throughout; pervading, permeating, penetrating or affecting everything. pervasively In a pervasive manner, such that a thing is present in all parts. pervasiveness The state or quality of being present in all parts of a particular thing or place. perveance The relationship between current and voltage in an electron gun pervention A coming or arrival; advent perverb A statement humorously constructed by merging together two proverbs. perverse Turned aside while against something, splitting off from a thing. perversed Split off; isolated; unconnected. perversedly In a perverse manner. perversely In a perverse manner. perverseness The quality of being perverse; doggedness, obstinacy. perversion The action of perverting someone or something; humiliation; debasement.