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 archrogue An infamous or particularly egregious rogue. archsegregationist A primary segregationist; a strong supporter of segregation. archseraph An eminent seraph that ranks above other angels. archseraphim Synonym of archseraph. archsin A chief or primary sin. archsodality A confraternity archstone A stone forming part of an arch. archterrorist A chief or high-ranking terrorist. archtop A style of large steel-stringed guitar having an arched belly, a neck at a slight angle to the body and a fretboard elevated above the soundboard. archtraitor A chief or transcendent traitor. archtreasurer A chief treasurer. archtreasurership The state or business of an archtreasurer. Archuleta A surname. Archuletta A surname. archvillain A supreme villain; the most evil or powerful villain. archvillainess A female archvillain. archvillainy Supreme villainy. archway A passageway covered by an arch, particularly one made of masonry. archwayed Having an archway. archwife A big, masculine wife; a dominating woman; virago. archwire An orthodontic wire conforming to the alveolar or dental arch. archwise In the shape of an arch. archwitch A very powerful witch. archwizard A very powerful wizard. archwork The composition or structure of an arch. archy Resembling an arch; having arches; arched; arching Arcia A surname. arcid Any of the Arcidae; an ark shell. arciferal Having the epicoracoid cartilages fused anteriorly, but separate and overlapping posteriorly. arcifinious Having a natural boundary, like a river, rather than an artificial dividing line. arciform Having the form of a bow (weapon) Arciga A surname from Spanish. Arcila A surname. arciliuto Synonym of archlute. Arcilla A surname from Spanish. Arcimboldian Of or pertaining to Giuseppe Arcimboldo. arcing The shape or motion of something that arcs. Arciniega A surname. Arciszewski A surname from Polish. arcitumomab A monoclonal antibody used to detect carcinoembryonic antigen. arcjet A rocket engine that uses an electric arc for propulsion. arclength The length of an arc. arclet A small arc of a galaxy arclike Resembling or characteristic of an arc. arcminute A unit of angle; 1/60 of a degree. arco A note in string instrument musical notation indicating that the bow is to be used in the usual way, usually following a passage that is played pizzicato. arcobacter Any of several gram-negative bacteria of the genus Arcobacter arcobacterial Relating to arcobacters arcobacteriosis A disease caused by infection with an arcobacter. arcograph An instrument for drawing a circular arc without using a central point. arcoid Any bivalve mollusc of the superfamily Arcoidea Arcola A comune in La Spezia province, Liguria, Italy. arcological Of or pertaining to arcology. arcology Urban development theory proposed by Paolo Soleri involving three-dimensional building methods and efficient use of space and resources. arcopallial Relating to an arcopallium arcopallium A region in the brains of birds that has functions in learning Arcos A surname from Spanish. arcosh The area hyperbolic cosine function, i.e., the inverse hyperbolic cosine function. arcosolium A tomb in an arched recess in a wall. Arcot A town and urban area of Ranipet district, Tamil Nadu, India. arcoth The area hyperbolic cotangent function, i.e., the inverse hyperbolic cotangent function. arcover The unwanted arcing of electricity from one component to another, caused for example by the presence of contaminants. arcsch The area hyperbolic cosecant function, i.e., the inverse hyperbolic cosecant function. arcsecant function that is the compositional inverse of the secant function. Symbol: arcsec arcsecond A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree. arcsine Any of several single-valued or multivalued functions that are inverses of the sine function. Symbol: arcsin, sin⁻¹ Arctalian Of or relating to the Arctalia. Arctamerican Nearctic arctangent Any of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan⁻¹ arctangential Relating to the arctangent. arctation Stenosis. arctic For quotations using this term, see Citations:arctic. Arctica An ancient continent situated in the Arctic, formed from the Canadian and Siberian shields. arctically In an Arctic manner. arctician One who has investigated matters relating to the Arctic regions; an Arctic explorer. arcticid Any clam in the family Arcticidae, all but one species of which are extinct. arcticization The process of arcticizing. arcticize To prepare for Arctic weather; to winterize. Arcticward Toward the Arctic. Arcticwards Towards the Arctic. arcticwide Throughout the arctic. arctigenin A lignan, present in plants of the genus Arctium, that is the aglycone of arctiin arctiid Any member of the family Arctiidae of moths. arctiin A lignan, present in plants of the genus Arctium, that is a glucoside of arctigenin arctiine Any erebid moth of the subfamily Arctiinae. arctiopicrin A germacranolide with the molecular formula C₁₉H₂₆O₆. arctite A colourless mineral made of a trigonal crystal system and found in northern Russia. arctoboreal Relating to the north Arctic arctocyonid Any member of the family †Arctocyonidae of extinct carnivores. arctogeal Of or relating to the Arctogea, a biogeographical division comprising the holarctic and paleotropical regions, as opposed to Notogea, the rest. arctoid of or pertaining to the carnivoran superfamily Arctoidea arctoidean Of or relating to the infraorder Arctoidea. arctolatry the worship of bears arctolepid Any extinct fish of the family Arctolepidae arctometatarsal A metatarsal whose proximal part is pinched between the surrounding ones arctometatarsalian Having arctometatarsals arctometatarsus Synonym of arctometatarsal. arctophile One who has a fondness for teddy bears, usually a collector of them. arctophilia the love of teddy bears arctophilist Synonym of arctophile. arctophily The hobby of collecting teddy bears. arctostylopid Any extinct mammal of the order Arctostylopida arctotoid having a ring of sweeping hairs borne on the shaft of the style proximal to the style branches Arcturian Of or from Arcturus arcturid Any of the marine isopods in the family Arcturidae. Arcturus A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky. arcual Of or pertaining to an arc. arcuate curved into the shape of a bow. arcuately In an arcuate way. arcuation The act of bending or curving; the state of being bent; crookedness. arcubalist A crossbow. arcubalister A crossbowman; one who used the arcubalist. arcubisite A sulfosalt mineral occurring with cryolite in Greenland. Arcueil A commune in the Val-de-Marne department in the southern suburbs of Paris, France. arculus A crossvein between the radius and cubitus near the base of the wing in certain insects arcure A type of espalier where the plants are fashioned into strata of arches. Arcuri A surname from Italian. arcus A white band of cholesterol that forms at the edge of the cornea arcwaller Synonym of arcwall machine. Arczynski A surname from Polish. ard A simple plough consisting of a spike dragged through the soil. Arda A river in Emilia-Romagna Ardabil A city in Iran, the seat of Ardabil County's Central District and the capital of Ardabil Province. Ardahan A province in northeastern Turkey, near the border with Georgia. ardaite A monoclinic green gray mineral containing antimony, chlorine, lead, and sulfur. Ardashir A transliteration of the Middle Persian male given name 𐭠𐭥𐭲𐭧𐭱𐭲𐭥 (ʾrtḥštr /Ardašīr/) ardass fine silk ardassine A kind of fine Persian silk. Ardath A town in Wheatbelt, Western Australia, Australia. Arddleen A village in Llandrinio community, (served by Llandrinio and Arddleen Community Council) in Powys, Wales, historically in Montgomeryshire (OS grid ref SJ2515). ardealite A monoclinic-domatic mineral containing calcium, hydrogen, oxygen, phosphorus, and sulfur. ardeb A Middle Eastern unit of volume used for agricultural crops. Ardee A town in County Louth, Ireland, situated on the River Dee (Irish grid ref N 9690). Ardeer A coastal locality near Stevenston, North Ayrshire council area, Scotland (OS grid ref approx NS2740). ardeh Synonym of tahini. ardeid Any member of the family Ardeidae, the herons, egrets and bitterns. Ardelean A surname from Romanian. Ardeley A village and civil parish in East Hertfordshire district, Hertfordshire, England (OS grid ref TL3027). Ardelia A female given name. Arden A surname. ardency Intensity of feelings. Ardene An unknown-gender given name. Ardennes forest, geographic region and low mountain range in France, Belgium, Germany and Luxembourg; in full, Ardennes Forest, Ardenne Forest, or Forest of Ardennes. ardennite A yellowish orthorhombic mineral that is a mixed silicate and vanadate, and may also have arsenate. ardent Full of ardor; expressing passion, spirit, or enthusiasm. ardently Fervently. ardentness The state or quality of being ardent. Ardentric A male given name originating as a coinage, of African-American usage. ardeparin A particular anticoagulant. arder plowing or fallowing