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{adj: Byzantine, convoluted, involved, knotty, tangled, tortuous} highly complex or intricate
"the Byzantine tax structure"
"convoluted legal language"
"convoluted reasoning"
"the plot was too involved"
"a knotty problem"
"got his way by labyrinthine maneuvering"
"Oh, what a tangled web we weave"- Sir Walter Scott
"tortuous legal procedures"
"tortuous negotiations lasting for months"

{adj: autotrophic, autophytic} of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis
<-> heterotrophic

{adj: complex} complicated in structure; consisting of interconnected parts
"a complex set of variations based on a simple folk melody"
"a complex mass of diverse laws and customs"
<-> simple

{adj: conversant, familiar} (usually followed by `with') well informed about or knowing thoroughly
"conversant with business trends"
"familiar with the complex machinery"
"he was familiar with those roads"

{adj: equivocal, ambiguous} open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
"an equivocal statement"
"the polling had a complex and equivocal (or ambiguous) message for potential female candidates"
"the officer's equivocal behavior increased the victim's uneasiness"
"popularity is an equivocal crown"
"an equivocal response to an embarrassing question"
<-> unequivocal

{adj: glib} marked by lack of intellectual depth
"glib generalizations"
"a glib response to a complex question"

{adj: holozoic} obtaining nourishment as animals do by ingesting complex organic matter
<-> holophytic

{adj: thickening} becoming more intricate or complex
"a thickening plot"

{adj: unconcerned} lacking in interest or care or feeling
"the average American...is unconcerned that his or her plight is the result of a complex of personal and economic and governmental actions...beyond the normal citizen's comprehension and control"
"blithely unconcerned about his friend's plight"
<-> concerned

{n: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B} originally thought to be a single vitamin but now separated into several B vitamins

{n: Dharhan} a town in eastern Saudi Arabia on an inlet from the Persian Gulf; in June 1996 terrorists bombed an apartment complex in Dharhan killing 19 United States soldiers and wounding more than 300 people

{n: Golgi body, Golgi apparatus, Golgi complex, dictyosome} a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions)

{n: Homo sapiens} the only surviving hominid; species to which modern man belongs; bipedal primate having language and ability to make and use complex tools; brain volume at least 1400 cc

{n: Mandelbrot set} a set of complex numbers that has a highly convoluted fractal boundary when plotted; the set of all points in the complex plane that are bounded under a certain mathematical iteration

{n: Oedipus complex, Oedipal complex} a complex of males; desire to possess the mother sexually and to exclude the father; said to be a source of personality disorders if unresolved

{n: Symbion pandora} only known species of Cycliophora; lives symbiotically attached to a lobster's lip by an adhesive disk and feeding by means of a hairy mouth ring; its complex life cycle includes asexual and sexual phases

{n: Varese, Edgar Varese} United States composer (born in France) whose music combines dissonance with complex rhythms and the use of electronic techniques (1883-1965)

{n: Vaughan, Sarah Vaughan} United States jazz singer noted for her complex bebop phrasing and scat singing (1924-1990)

{n: Woodward, Bob Woodward, Robert Woodward, Robert Burns Woodward} United States chemist honored for synthesizing complex organic compounds (1917-1979)

{n: atomism} (psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association

{n: attitude, mental attitude} a complex mental state involving beliefs and feelings and values and dispositions to act in certain ways
"he had the attitude that work was fun"

{n: beaver} large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges

{n: blister rust, Cronartium ribicola} fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host

{n: branch, subdivision, arm} an administrative division of some larger or more complex organization
"a branch of Congress"

{n: building complex, complex} a whole structure (as a building) made up of interconnected or related structures

{n: butterfly effect} the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago

{n: catabolism, katabolism, dissimilation, destructive metabolism} breakdown in living organisms of more complex substances into simpler ones together with release of energy
<-> anabolism

{n: choline} a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat

{n: civilization, civilisation} a society in an advanced state of social development (e.g., with complex legal and political and religious organizations)
"the people slowly progressed from barbarism to civilization"

{n: college} a complex of buildings in which an institution of higher education is housed

{n: complex absence} petit mal seizure accompanied by other abnormalities (atonia or automatisms or vasomotor changes)

{n: complex number, complex quantity, imaginary number, imaginary} (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

{n: complex, coordination compound} a compound described in terms of the central atom to which other atoms are bound or coordinated

{n: complex} (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior

{n: cross-link, cross-linkage} a side bond that links two adjacent chains of atoms in a complex molecule

{n: degeneration, retrogression} passing from a more complex to a simpler biological form

{n: elaborateness, elaboration, intricacy, involution} marked by elaborately complex detail

{n: enzyme} any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions

{n: genus Chlorella} nonmotile unicellular green algae potentially important as source of high-grade protein and B-complex vitamins

{n: growth, growing, maturation, development, ontogeny, ontogenesis} (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level
"he proposed an indicator of osseous development in children"
<-> nondevelopment

{n: heme, haem, hematin, haemitin, protoheme} a complex red organic pigment containing iron and other atoms to which oxygen binds

{n: homeostasis} (physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes

{n: hydrochloride} a complex consisting of an organic base in association with hydrogen chloride

{n: hypertext system} a database management system that allows chunks of text (objects) to be processed as a complex network of nodes that are linked together in an arbitrary way

{n: hypertext} machine-readable text that is not sequential but is organized so that related items of information are connected
"Let me introduce the word hypertext to mean a body of written or pictorial material interconnected in such a complex way that it could not conveniently be presented or represented on paper"--Ted Nelson

{n: inferiority complex} a sense of personal inferiority arising from conflict between the desire to be noticed and the fear of being humiliated

{n: inositol} an optically inactive alcohol that is a component of the vitamin B complex

{n: insight, brainstorm, brainwave} the clear (and often sudden) understanding of a complex situation

{n: institution} an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated

{n: isomerism} the state of being an isomer; the complex of chemical and physical phenomena characteristic of isomers

{n: katamorphism} metamorphism that occurs at or near the earth's surface; breaks down complex minerals into simpler ones
<-> anamorphism

{n: lignin} a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants

{n: machinery} a system of means and activities whereby a social institution functions
"the complex machinery of negotiation"
"the machinery of command labored and brought forth an order"

{n: mass-action principle, mass action} (neruology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning

{n: military-industrial complex} a country's military establishment and the industries that produce arms and other military equipment
"we must guard against the acquisition of unwarranted influence, whether sought or unsought, by the military-industrial complex"--Dwight David Eisenhower

{n: mitomycin, Mutamycin} a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug

{n: model, theoretical account, framework} a hypothetical description of a complex entity or process
"the computer program was based on a model of the circulatory and respiratory systems"

{n: organ, pipe organ} wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard

{n: pantothenic acid, pantothen} a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods

{n: periodic sentence} a complex sentence in which the main clause comes last and is preceded by the subordinate clause

{n: personality} the complex of all the attributes--behavioral, temperamental, emotional and mental--that characterize a unique individual
"their different reactions reflected their very different personalities"
"it is his nature to help others"

{n: prairie dog, prairie marmot} any of several rodents of North American prairies living in large complex burrows having a barking cry

{n: reductionism} a theory that all complex systems can be completely understood in terms of their components

{n: reticular formation, RF} a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone

{n: rhinencephalon, olfactory brain} a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior

{n: ribbon development} building complex in a continuous row along a road

{n: samarskite} a complex black mineral occuring in pegmatites

{n: structure, anatomical structure, complex body part, bodily structure, body structure} a particular complex anatomical part
"he has good bone structure"

{n: swing, swing music, jive} a style of jazz played by big bands popular in the 1930s; flowing rhythms but less complex than later styles of jazz

{n: system, system of rules} a complex of methods or rules governing behavior
"they have to operate under a system they oppose"
"that language has a complex system for indicating gender"

{n: timbre, timber, quality, tone} (music) the distinctive property of a complex sound (a voice or noise or musical sound)
"the timbre of her soprano was rich and lovely"
"the muffled tones of the broken bell summoned them to meet"

{n: tourmaline} a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones

{n: zymase} a complex of enzymes that cause glycolysis; originally found in yeast but also present in higher organisms

{v: saccharify} convert into a simple soluble fermentable sugar by hydrolyzing a sugar derivative or complex carbohydrate

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