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 undecadentate Of a ligand, capable of forming eleven separate chemical bonds to a coordinating metal ion undecaffeinated Not decaffeinated. undecagon A polygon with eleven sides and eleven angles. undecagonal Having eleven sides and angles. undecahedron A polyhedron with eleven faces. undecaheme Eleven heme groups in a molecule undecahydrate A hydrate whose solid contains eleven molecules of water of crystallization per molecule, or per unit cell undecahydroxy Chemical containing eleven hydroxy groups, (OH)₁₁ undecalcified From which calcareous matter has not been removed. undecamer An oligomer having eleven subunits. undecameric Of or pertaining to an undecamer. undecan undecane. undecanal The saturated aliphatic aldehyde having eleven carbon atoms. undecane Any of many isomers of the aliphatic hydrocarbon having 11 carbon atoms, but especially n-undecane CH₃(CH₂)₉CH₃ undecanoate Any salt or ester of undecanoic acid. undecanoic Of or pertaining to undecanoic acid or its derivatives undecanol A fatty alcohol with a citrus odour, sometimes used as flavouring. undecanone Any aliphatic ketone that has eleven carbon atoms undecanoyl The univalent radical derived from undecanoic acid by loss of the hydroxy group undecanucleotide An oligonucleotide that has eleven base pairs undecaoxide Any oxide having eleven oxygen atoms undecapeptide Any oligopeptide that has eleven amino acid units undecapitated Not decapitated undecapotassium Eleven potassium atoms or ions in a compound (K₁₁). undecaprenol An isoprenoid alcohol (having 11 isoprene units) that has a role in peptidoglycan biosynthesis undecaprenyl The univalent radical derived from undecaprenol undecasulfide A sulfide containing eleven sulfur functional groups or ions. undecasyllabic Having eleven syllables. undecayable Not decayable undecayed Not having decayed. undecaying That does not decay; lasting, imperishable. undecazinc A chemical compound containing eleven zinc atoms per formula: Zn₁₁. undeceased Not deceased; alive. undeceitful Not deceitful. undeceitfully In a way that is not deceitful. undeceivable Not deceivable. undeceivableness The quality of being undeceivable. undeceivably In an undeceivable way. undeceive To free from misconception, deception or error. undeceived Not having been deceived. undeceiver One who undeceives. undecelerated Not decelerated. undecene Any unsaturated aliphatic hydrocarbon that has eleven carbon atoms and one double bond, but especially 1-undecene undecennary Once every eleven years; undecennial. undecennial Occurring or observed every eleventh year. undecenoate Any salt or ester of undecenoic acid. undecent Not decent; indecent. undecently Unsuitably; improperly. undecentralized Not decentralized. undeception The point of being undeceived or freed from a misconception. undeceptive Not deceptive. undeceptively In an undeceptive manner. undecet A group of eleven musicians; a piece of music written for such a group undechorionated Not dechorionated undecic Of the eleventh order or degree undecidability the state of being undecidable. undecidable Incapable of being algorithmically decided in finite time. For example, a set of strings is undecidable if it is impossible to program a computer (even one with infinite memory) to determine whether or not specified strings are included. undecidably In an undecidable manner. undecide To reverse or go back on (a previous decision). undecided Open and not yet settled or determined. undecidedly In an undecided manner. undecidedness The quality of being undecided. undecidualized Not decidualized undeciduous Not deciduous undecillion 10³⁶. undecillionth The ordinal form of the number undecillion undecimal Based upon the number eleven undecimalized Not decimalized. undecimarticulate Having eleven joints. undecimated Not decimated. Undecimber A fictitious thirteenth month of the Western calendar. undecimvir Any member of a group of eleven officials. undecimvirate A group of eleven people, especially (politics) a council of eleven men sharing office or power and particularly (historical) the groups of eleven magistrates in ancient Athens. undecipher To decipher. undecipherability Inability to be deciphered. undecipherable Not easily deciphered; difficult to read. undecipherably In an undecipherable manner. undeciphered Not deciphered. undeciphering That does not decipher. undeck To remove ornaments from; to strip. undecked Having no deck. undeclaimed Not declaimed. undeclamatory Not declamatory. undeclarable Not declarable undeclaration The act of undeclaring something previously declared. undeclare To reverse the process of declaring; to unsay. undeclared Not declared undeclinable Synonym of indeclinable. undeclinably Synonym of indeclinably undeclined Not varied by declension. undeclining Not declining. undecocted Not decocted. undecodable That cannot be decoded. undecoded Not decoded. undecohered Not decohered undecolonized Not decolonized. undecomposability The state or condition of being undecomposable. undecomposable Unable to be decomposed. undecomposed Not decomposed. undecompounded Not decompounded. undeconstructable Not deconstructable. undeconstructed Not deconstructed. undeconvolved Not deconvolved. undecorable Not decorable. undecoratable Not decoratable. undecorate To remove the decorations from. undecorated Without decoration or adornment undecorative Not decorative. undecorous Not decorous. undecorously In an undecorous manner. undecorticated Not decorticated. undecoyed Not decoyed. undecreased Not decreased. undecreasing Not decreasing; growing no smaller. undecree To annul or revoke (an earlier decree). undecreed Not decreed. undecremented That has not been decremented. undecried Not decried. undecryptable That cannot be decrypted. undecrypted Not decrypted. undecuple having 11 parts or members undecuplet A group of eleven notes, typically to be played in place of eight. undecyl Any univalent radical derived from an undecane undecylaldehyde Synonym of undecanal. undecylate Any salt or ester of undecylic acid. undecylenate Any salt or ester of undecylenic acid. undecylic Related to, derived from, or containing undecyl. undecylprodigiosin The undecyl derivative of prodigiosin undecyne Any aliphatic hydrocarbon having a chain of eleven carbon atoms and containing one triple bond. undedicate To undo the dedication or earmarking of. undedicated Not dedicated. undeduced Not deduced. undeducible Not deducible. undeducted Not deducted. undeductive Not deductive. undeeded Not transferred by deed. undeemed Not deemed. undeep Not deep; shallow. undeerlike Not deerlike. undefaceable Not defaceable. undefaced Not having been defaced. undefalcated Not defalcated. undefamed Not defamed. undefaulted Not defaulted upon. undefaulting That does not default. undefeat The condition of not having been defeated. undefeatability The quality of being undefeatable; undefeatableness. undefeatable Not defeatable; impossible to defeat. undefeatableness The quality of being undefeatable. undefeatably Such that it cannot be defeated.