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 pentatriacontanoic Of or pertaining to pentatriacontanoic acid or its derivatives; ceroplastic pentatricontane pentatriacontane pentatricopeptide A polypeptide motif containing thirty-five amino acid units pentatriene Any of several isomeric unsaturated aliphatic hydrocarbons having five carbon atoms and three double bonds pentauranyl Five uranyl ions or groups in a compound. pentavalence The condition of being pentavalent pentavalent Having an atomic valence of 5. pentavalently In a pentavalent manner pentavigesimal quinary-vigesimal (based upon both the numbers five and twenty). pentazinc Five zinc atoms or ions in a compound (Zn₅). pentazocine A synthetic compound that is a potent nonaddictive analgesic, often given during childbirth. pentazole HN₅, The five-membered homocyclic compound containing five nitrogen atoms and two double bonds pentecontadrachm An ancient Cyrenaic coin worth fifty drachmas pentecontalitron A large gold coin of ancient Sicily worth fifty litras pentecontarch The commander of a platoon of fifty men. pentecontarchy A military unit commanded by a pentecontarch. penteconter A galley-type Grecian vessel with fifty oars. Pentecost Synonym of Shavuot (“a Jewish harvest festival which falls on the sixth day of Sivan in the spring, fifty days after the second day of the Passover when the omer (“sheaf of barley”) is offered; a ceremony held on that day to commemorate the giving of the Torah (“first five books of the Hebrew scriptures”) to Moses and the Israelites on Mount Sinai”). Pentecostal Of, or relating to Pentecost. Pentecostalism A religious movement that emphasizes the Holy Spirit and is known for speaking in tongues. pentecostalist of or pertaining to Pentecostalism Pentecostally In a Pentecostal way. Pentecostarion A liturgical book for the Paschal season, used by the Eastern Orthodox and Eastern Catholic Churches that follow the Byzantine Rite. pentecoster An officer who commands fifty men, particularly (historical) in the Spartan army. pentecosty A troop of fifty soldiers in the Spartan army. pentekostys A group of fifty men in the Ancient Greek army. pentel A non-permanent marker pen. Pentelic Of or relating to Mount Pentelicus (Penteliko Mountain), near Athens, famous for its fine white marble quarries. Pentelican Pentelic Pentelikon Synonym of Mount Pentelicus. pentene Any of several isomeric alkenes having five carbon atoms and one double bond pentennial Synonym of quinquennial: occurring every five years. pentenoate Any salt or ester of a pentenoic acid pentenol Any of several isomeric derivatives of pentanol having a single carbon-carbon double bond pentenone Either of three isomeric aliphatic ketones that have five carbon atoms and one double bond pentenyl Any radical derived from a pentene. penteract A five-dimensional hypercube. pentere A pentereme, quinquereme. pentereme A quinquereme; a pentere. pentester Someone who performs a pentest (a penetration test) pentesting The act of conducting a pen test. pentet Synonym of quintet. pentetate Any salt or ester of pentetic acid. penteteric Synonym of quinquennial (“related to or characterized by an five-year period”) penteteris Synonym of quinquennium pentetrazol Pentylenetetrazol. pentetreotide A modified pentetic acid attached to a peptide segment. Pentewan A coastal village in Pentewan Valley parish, Cornwall, England (OS grid ref SX0147). penthaleid Any mite of the family Penthaleidae. penthemim Synonym of penthemimeris. penthemimer A metrical unit equal to half of a pentameter penthemimeral Relating to a penthemimer. penthemimeris A prosal group of two and a half feet. Penthesilea A queen of the Amazons and daughter of Ares and Otrera. penthienate A particular antimuscarinic drug. Penthilus Son of Orestes penthiopyrad A broad-spectrum carboxamide fungicide. penthos sorrow; grief; mourning or sadness penthouse A structure or annexe (especially one with a sloping roof) extending from the side of a building, sometimes as protection from the weather. penthoused Furnished with a penthouse or exterior building. penthouselike Resembling or characteristic of a penthouse. penthrichloral A sedative and hypnotic drug. penthrite pentaerythritol tetranitrate penthusiasm Enthusiasm for writing. penthusiast A person who is enthusiastic about writing or about pens. pentiamond A polyiamond made up of five triangles. pentic Five-fold, or five-membered pentice An extension of a building's roof and the protected area beneath. penticed Having a pentice. Penticton A city in the Okanagan Valley of the Southern Interior of British Columbia, Canada. pentifylline A particular vasodilator. pentile Any of the four points that divide an ordered distribution into five parts, each containing a fifth (20%) of the population. Used commonly for income distributions. pentille A tessellation of the plane consisting of irregular pentagons. pentimal Using a base of 5; quinary. pentiment Synonym of pentimento. pentimento The presence of traces of a previous work in an artistic or literary work; especially (painting) an image which has been painted over but is still detectable. pentimentoed Bearing a pentimento. pentina A fixed verse form consisting of five stanzas of five lines each, normally followed by a two-line envoi. pentine Any of several isomeric acetylenes having five carbon atoms and one triple bond pentinene pentyne pentiophenone The ketone C₆H₅-CO-(CH₂)₃-CH₃; butyl phenyl ketone Pentir A community and small village in Gwynedd, Wales (OS grid ref SH5767). pentito A criminal who cooperates with police or government authorities and testifies against or provides harmful information on fellow criminals; a turncoat or informant, usually a former Mafioso. pentitol Any sugar alcohol having five carbon atoms Pentium A CPU chip designed and manufactured by Intel, successor to the 486 chip, introduced in 1993. Pentland A surname from Middle English. pentlandite A mixed iron and nickel sulfide mineral, with the chemical formula (Fe,Ni)₉S₈; the major ore of nickel. pentlanditic Of or relating to the mineral pentlandite. Pentlatch A Salishan language spoken on Canada's Vancouver Island. Pentney A village and civil parish in King's Lynn and West Norfolk district, Norfolk, England (OS grid ref TF7213). pentobarbital A narcotic and sedative barbiturate drug (trademark Nembutal) formerly used to relieve insomnia. pentobarbitone pentobarbital (sodium salt) pentocin A particular bacteriocin produced by the bacterium Lactobacillus pentosus. pentode A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid to reduce the secondary emission effect; was/is used in high quality audio and radio products. pentofuranose The furanose form of a pentose pentofuranoside The furanoside form of a pentose pentol any organic compound having five hydroxy functional groups pentolinium A ganglionic blocking agent that acts as a nicotinic acetylcholine receptor antagonist and is used as an antihypertensive drug. pentolite A composite high explosive used for military and civilian purposes. pentomic Pertaining to or exhibiting the concept of structuring a division (military formation) such that it has five subordinate parts. pentomino A polyomino consisting of five square units. When packing pentominoes into three-dimensional shapes, the square units commonly are expanded into cubes instead of being flattened. penton A pentagonal capsomere of an adenovirus capsid. pentonal Relating to a penton pentonate Any salt or ester of a pentonic acid. pentone valylene pentop An electronic pen-like device intended as an educational computer for use with attachable cartridges and special digital paper. pentopril A particular ACE inhibitor. Pentor A barangay of Dinalupihan, Bataan, Philippines. pentorex phenpentermine pentosaceous Relating to, or containing pentoses pentosalen imperatorin pentosan Any polysaccharide composed of pentoses. pentose A sugar or saccharide containing five carbon atoms. pentoside Any glycoside derived from a pentose pentosidine A biomarker for advanced glycation end products. pentostatin A particular drug, isolated from Streptomyces antibioticus, used in chemotherapy. pentosuria the presence of pentose sugars in the urine; especially the presence of abnormally high levels of xylulose in the urine pentosyl A univalent radical derived from a pentose pentosyltransferase Any glycosyltransferase that catalyzes the transfer of a pentose pentothal Thiopental. pentoxazone The herbicide 3-(4-chloro-5-cyclopentyloxy-2-fluorophenyl)-5-isopropylidene-1,3-oxazolidine-2,4-dione. pentoxide any oxide containing five oxygen atoms in each molecule pentoxifylline A xanthine derivative used to treat vascular dementia and intermittent claudication resulting from obstructed arteries in the limbs. pentoxyl The pyrimidone 5-hydroxymethyl-4-methyluracil pentoxyverine A cough suppressant. Pentraeth A village and community in Anglesey, Wales (OS grid ref SH5278). pentraxin Any of a family of proteins characterised by calcium-dependent ligand binding. Pentre A village in Hawarden community, Flintshire (OS grid ref SJ3268). Pentreath A surname from Cornish. Pentrebach A hamlet in Llanfair-ar-y-bryn community, Carmarthenshire, Wales (OS grid ref SN8233). Pentrefelin A village near Amlwch, Anglesey (OS grid ref SH4392). pentremital Of or relating to pentremites. pentremite Any member of the species in the genus †Pentremites. pentremitid Any member of the Pentremitidae. Pentridge A village in Sixpenny Handley and Pentridge parish, north-east Dorset, England (OS grid ref SU0317). pentrite The explosive pentaerythritol tetranitrate pentrough A penstock. pentuple Synonym of quintuple in its various senses. pentuplet Synonym of quintet: A group of five, particularly musicians. pentuplicate Synonym of quintuplicate. penturban Pertaining to or located in penturbia. penturbia Small towns that lie beyond city suburbs, viewed collectively. penty panties pentyl Any of several isomeric univalent hydrocarbon radicals, C₅H₁₁, formally derived from pentane by the loss of a hydrogen atom. pentylamine Any of several isomeric amines derived from a pentane, but especially the primary amine CH₃(CH₂)₄NH₂ pentylenetetrazol A drug formerly used as a circulatory and respiratory stimulant. pentylic Pertaining to, derived from, or containing, pentyl. pentyne Any of several isomeric alkynes having five carbon atoms and one triple bond pentynoate Any salt or ester of a pentynoic acid pentynoic Relating to a pentynoic acid or its derivatives.