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 Isobella A female given name, variant of Isabella. Isobelle A female given name, variant of Isabel. isobenth An isoline connecting points on a map having equal amounts of benthic biomass. isobenzofuran The isomer of benzofuran 2-benzofuran isobergapten A particular furocoumarin. isobifacial Having both sides of a similar structure isobiflavonoid A derivative of a biflavonoid that contains one or two isoflavones isobiflorin A glycoside 8-C-glucopyranosylnoreugenin present in cloves isobilateral Having the flanks of the organ flattened surfaces. isobioclimate A line connecting related bioclimates isobolar Composed of isoboles isoboldine The alkaloid (6aS)-2,10-dimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinoline-1,9-diol. isobole A line on an isobologram joining points of equal activity isobologram A diagram showing the varying substrate and inhibitor concentrations that give constant enzyme activity isobolographic Relating to isobolograms isobolographically By means of isobolography. isobolography The production of isobolograms isoborneol The exo-isomer of borneol. isoboundary An isoelectric boundary (between positive and negative charges) isobromindione A drug used to treat gout. isobront An isoline drawn through geographical points at which a given phase of thunderstorm activity occurred simultaneously. isobutadiene Synonym of isoprene. isobutamben An anesthetic drug. isobutane A hydrocarbon, a particular isomer of C₄H₁₀ found in natural gas. isobutanol The aliphatic alcohol 2-methyl-1-propanol that is used as a solvent and in organic synthesis isobutene The unsaturated hydrocarbon methylpropene, (CH₃)₂C=CH₂; used in the manufacture of polybutene and butyl rubber. isobutyl The univalent hydrocarbon radical derived from isobutanol isobutylamine The aliphatic primary amine 2-methyl-1-propamine isobutylene methylpropene; isobutene isobutylmethylxanthine A certain non-specific inhibitor of phosphodiesterases, which also possesses adenosine antagonist activity. isobutyraldehyde The aldehyde 2-methylpropanal derived from isobutanol isobutyrate Any salt or ester of isobutyric acid isobutyric Of or pertaining to isobutyric acid or its derivatives isobutyronitrile The nitrile (CH₃)₂CH-CN derived from isobutyric acid - isopropyl cyanide isocage An environmentally-isolated cage used to contain experimental animals isocaloric Having the same calorific value isocalorically In an isocaloric manner isocalorific Relating to, or producing the same amount of heat isocandela A line joining points that have the same luminous intensity isocapacitary Having the same capacity; applied to the problem of finding an extremum for an integral over a space of a specified capacity. isocapnia A state of constant arterial carbon dioxide concentration (especially in arterial blood) isocapnic Maintaining a constant concentration of carbon dioxide in the blood or tissues isocaproaldehyde Any isomer of caproaldehyde, but especially 2-methylpentanal which is produced by the enzymatic cleavage of cholesterol. isocaproate Any salt or ester of isocaproic acid. isocaproic Relating to isocaproic acid isocarboxazid An antidepressant drug C₁₂H₁₃N₃O₂. isocatabase An isobase of equal subsidence. isocatechin An isomer of catechin isocaudomer Either of a pair of restriction enzymes that generate the same unpaired nucleotides in the end of a DNA molecule. isocausal Having a common causal relationship isocausality The condition of being isocausal. isocedrane An isomer of the sesquiterpene cedrane that is used in the fragrance industry isocellular Composed of cells of equal size or of similar character. isocentre The point through which the central ray of the radiation beam passes isocentric Relating to an isocentre isocentrically In an isocentric manner or direction isocephalic Exhibiting or relating to isocephalism. isocephalism A peculiarity in the design of bas-relief, and also in painting, in which the heads of human figures are depicted at the same height from the ground, or along a vertical line, regardless of their pose. isocercal Having the tailfin divided into equal lobes. isocetane 2,2,4,4,6,8,8-heptamethylnonane, a highly branched alkane used as a reference in determining the cetane number of diesel. isochar A line on a map showing areas that contain plants with the same characteristics isocharge A sequence of ions that have the same charge isochasm A line connecting places on the Earth's surface that have the same mean frequency of auroras. isochasmic Showing isochasms (auroral display). isocheim An isotherm connecting points on a map with equal mean winter temperature. isocheimal Of or relating to isocheims. isocheimenal isocheimal isocheimonal isocheimal isochemical Having constant chemical composition isochimenal isocheimal isochimene An isocheim. isochlor An isoline connecting points on a map with the same concentration of chlorine in water. isocholesterol An alcohol, C₂₇H₄₆O₁₅, that is isomeric with cholesterol and found in combination with cholesterol in wool fat. isochore In general, a place or position with relevant parameters matching other places, as in having the same pressure, chemistry, population etc. Even within a single discipline the parameter might vary according to convenience e.g. in physics alone it might refer to velocity, volume, gravity, and many more. cf. contour, isopleth. isochoric Having the same volume. isochoricity The quality or state of being isochoric. isochorismatase Any enzyme that catalyses the hydrolysis of isochorismate isochorismate an intermediate in the biosynthesis pathways of insect respiration isochrestic Relating to isochrestism. isochromane An isomer of chromane in which the oxygen atom is in the 2- rather than the 1- position isochromanequinone Any quinone derived from an isochromane. isochromanone Any isomer of a chromanone based on isochromane isochromatic Having the same colour or wavelength. isochromatid Relating to a similar (sister) chromatid isochromene Synonym of 2-benzopyran. isochromenone Any ketone derived from an isochromene isochromosomal Relating to an isochromosome isochromosome An abnormal chromosome in which one arm has been lost and replaced with an exact copy of the other arm. isochromous Of the same colour. isochron A line on a chart linking rock of the same age (as determined from isotope ratios). isochronal Having the same duration. isochronality The property of being isochronal. isochronally In an isochronal manner. isochrone An isoline on a map or chart connecting points that have the same value for some time-related variable. isochronic isochronal isochronical isochronal isochronicity The condition of being isochronic isochronism The state or quality of being isochronous. isochronize To make (the motion of a moving body) more uniform in rate of rotation, or in frequency of vibration. isochronon A clock designed to keep very accurate time. isochronous Happening at regular intervals; isochronal. isochronously In an isochronous manner. isochrony The state of being isochronous. isochroous Of uniform color; isochromatic. isochrysene triphenylene isocicutoxin A toxic chemical from Cicuta virosa with IUPAC name (8Z,10E,12E)-heptadeca-8,10,12-trien-4,6-diyne-1,14-diol. isocitral The monoterpenoid aldehyde (3E)-3,7-dimethylocta-3,6-dienal isocitrate Any salt or ester of isocitric acid isocitric Of or pertaining to isocitric acid or its derivatives isoclasite A hydrated basic calcium phosphate isoclass An isomorphism class. isoclinal Having equal inclination or magnetic dip. isoclinally In an isoclinal manner. isocline A tightly folded syncline or anticline in which the two sides are almost parallel. isoclined Describing two equivalent chains of a crystalline polymer having the same orientation. isoclinic Having the same, or a constant, slope isoclinism The condition of being isoclinic isoclonal Relating to the same (type of) clone isocolchicide An isomer of colchicide isocolchicine An isomer of colchicine N-(1,2,3,9-tetramethoxy-10-oxo-6,7-dihydro-5H-benzo[a]heptalen-7-yl)acetamide isocolchicinoid Any of a group of compounds related to isocolchicine isocolic Having cola of equal length isocolloid A colloid having the same composition in every hylotropic change. isocolon A rhetorical scheme in which parallel elements possess the same number of words or syllables. isoconazole An azole antifungal drug. isoconfertic isopycnic isoconfigurational Having the same configuration isoconic Describing the same cone. isoconjugate Having the same pattern of conjugation and the same number of π bonds isocontour level set; an isoline (2D) or isosurface (3D) isoconversional Relating to isoconversion. isocoria The condition of having the pupils of both eyes the same size isocortex The major part of the cerebral cortex isocortical Of or pertaining to the isocortex isocorydine The phenolic plant metabolite (6aS)-1,2,10-trimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-11-ol isocost A curve that represents a combination of various inputs that cost the same. isocoumarin An isomer of coumarin in which the orientation of the lactone is reversed isocovariance isobaryonic covariance Isocracking A process that uses catalysts to rearrange the existing molecules of heavy fuel oils to remove sulfur and convert low-value fuel oils into higher-yield products such as gasoline. isocracy A form of government where all citizens have equal political power. isocrat A supporter of isocracy. isocratic Of or relating to isocracy. isocratically In an isocratic manner isocrinid Any crinoid (sea lily) of the order Isocrinida isocrotonic Of or pertaining to the cis isomer of crotonic acid, formally (Z)-2-butenoic acid. isocrymal Relating to isocrymes. isocryme An isoline connecting points on the Earth's surface having the same mean temperature in the coldest month of the year. isocrymic Relating to isocrymes. isocryptolepine The tetracyclic heterocycle 5-methyl-5H-indolo[3,2-c]quinoline isocryptomerin The antifungal biflavonoid 6-[4-(5,7-dihydroxy-4-oxochromen-2-yl)phenoxy]-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxychromen-4-one present in Selaginella tamariscina