Acokanthera
1: small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa [syn: {Acocanthera}, {genus Acocanthera}, {genus Acokanthera}]
acold
1: of persons; feeling cold; "Poor Tom's acold"- Shakespeare
acolyte
1: someone who assists a priest or minister in a liturgical service; a cleric ordained in the highest of the minor orders in the Roman Catholic Church but not in the Anglican Church or the Eastern Ort...
Aconcagua
1: the highest mountain in the western hemisphere; located in the Andes in western Argentina (22,834 feet high)
aconite
1: any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers
Aconitum
1: genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal [syn: {genus Aconitum}]
Aconitum lycoctonum
1: poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock [syn: {wolfsbane}, {wolfbane}, {wolf's bane}]
Aconitum napellus
1: a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite [syn: {monkshood}, {helmetflower}, {helmet flower}]
Acoraceae
1: used in some classifications for the genus Acorus which is usually assigned to Araceae [syn: {subfamily Acoraceae}]
acorea
1: absence of the pupil in an eye
Acores
1: islands in the Atlantic Ocean belonging to Portugal; "the Azores are strategically located on transatlantic air and shipping routes" [syn: {Azores}]
acorn
1: fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base
acorn barnacle
1: barnacle that attaches to rocks especially in intertidal zones [syn: {rock barnacle}, {Balanus balanoides}]
acorn cup
1: cup-shaped structure of hardened bracts at the base of an acorn [syn: {cupule}]
acorn squash
1: squash plant bearing small acorn-shaped fruits having yellow flesh and dark green or yellow rind with longitudinal ridges 2: small dark green or yellow ribbed squash with yellow to orange flesh
acorn tube
1: a small vacuum tube; used at high frequencies
Acorus
1: sweet flags; sometimes placed in subfamily Acoraceae [syn: {genus Acorus}]
Acorus calamus
1: perennial marsh plant having swordlike leaves and aromatic roots [syn: {sweet flag}, {calamus}, {sweet calamus}, {myrtle flag}, {flagroot}]
acousma
1: illusory auditory perception of strange nonverbal sounds [syn: {auditory hallucination}]
acoustic
1: of or relating to the science of acoustics; "acoustic properties of a hall" [syn: {acoustical}] n : a remedy for hearing loss or deafness
acoustic aphasia
1: an impairment in understanding spoken language that is not attributable to hearing loss [syn: {auditory aphasia}, {word deafness}]
acoustic delay line
1: a delay line based on the time of propagation of sound waves [syn: {sonic delay line}]
acoustic gramophone
1: an antique record player; the sound of the vibrating needle is amplified acoustically [syn: {gramophone}]
acoustic impedance
1: opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component [syn: {acoustic resistance}, {ac...
acoustic meatus
1: either of the passages in the outer ear from the auricle to the tympanic membrane [syn: {auditory meatus}, {ear canal}, {auditory canal}, {external auditory canal}]
acoustic modem
1: a modem that converts electrical signals to telephone tones and back again
acoustic nerve
1: a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea [syn: {auditory nerve}, {vestibulocochlear nerve}, {nervus vestibulocochlearis}, {eighth...
acoustic phenomenon
1: a physical phenomenon associated with the production or transmission of sound
acoustic power
1: the physical intensity of sound [syn: {sound pressure level}]
acoustic projection
1: the acoustic phenomenon that gives sound a penetrating quality; "our ukuleles have been designed to have superior sound and projection"; "a prime ingredient of public speaking is projection of the ...
acoustic reactance
1: opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component [syn: {acoustic resistance}, {ac...
acoustic resistance
1: opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component [syn: {acoustic impedance}, {aco...
acoustic spectrum
1: the distribution of energy as a function of frequency for a particular sound source [syn: {sound spectrum}]
acoustic wave
1: (acoustics) a wave that transmits sound [syn: {sound wave}]
acoustical
1: of or relating to the science of acoustics; "acoustic properties of a hall" [syn: {acoustic}]
acoustically
1: with respect to acoustics; "acoustically ill-equipped studios"
acoustician
1: a physicist who specializes in acoustics
acousticophobia
1: a morbid fear of sounds including your own voice [syn: {phonophobia}]
acoustics
1: the study of the physical properties of sound
acquaint
1: cause to come to know personally; "permit me to acquaint you with my son"; "introduce the new neighbors to the community" [syn: {introduce}, {present}] 2: make familiar or acquainted; "you should a...
acquaintance
1: personal knowledge or information about someone or something [syn: {familiarity}, {conversance}, {conversancy}] 2: a relationship less intimate than friendship [syn: {acquaintanceship}] 3: a person...
acquaintanceship
1: a relationship less intimate than friendship [syn: {acquaintance}]
acquainted
1: having fair knowledge of; "they were acquainted"; "fully acquainted with the facts" [syn: {acquainted(p)}, {acquainted with(p)}, {familiar with(p)}]
acquainted with
1: having fair knowledge of; "they were acquainted"; "fully acquainted with the facts" [syn: {acquainted(p)}, {acquainted with(p)}, {familiar with(p)}]
acquiesce
1: to agree or express agreement; "The Maestro assented to the request for an encore" [syn: {assent}, {accede}] [ant: {dissent}]
acquiescence
1: acceptance without protest 2: agreement with a statement or proposal to do something; "he gave his assent eagerly"; "a murmur of acquiescence from the assembly" [syn: {assent}]
acquiescent
1: willing to carry out the orders or wishes of another without protest; "too acquiescent to challenge authority"; "a gentle and biddable soul"; "children compliant with the parental will" [syn: {bidd...
acquire
1: come into the possession of something concrete or abstract; "She got a lot of paintings from her uncle"; "They acquired a new pet"; "Get your results the next day"; "Get permission to take a few da...
acquired
1: gotten through environmental forces; "acquired characteristics (such as a suntan or a broken nose) cannot be passed on"
acquired hemochromatosis
1: hemochromatosis resulting from repeated transfusions or from excessive intake of foods containing iron
acquired immune deficiency syndrome
1: a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles [syn: {AIDS}]
acquired immunity
1: immunity to a particular disease that is not innate but has been acquired during life; immunity can be acquired by the development of antibodies after an attack of an infectious disease or by a pre...
acquired reflex
1: an acquired response that is under the control of (conditional on the occurrence of) a stimulus [syn: {conditional reflex}, {conditioned reflex}, {conditional reaction}, {conditioned reaction}, {co...
acquired taste
1: a preference that is only acquired after considerable experience; "martinis are an acquired taste"
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acquirement
1: an ability that has been acquired by training [syn: {skill}, {accomplishment}, {acquisition}, {attainment}]
acquirer
1: a person who acquires something (usually permanently) 2: a bank gaining financial control over another financial institution through a payment in cash or an exchange of stock 3: the financial insti...
acquiring
1: the act of acquiring something; "I envied his talent for acquiring"; "he's much more interested in the getting than in the giving" [syn: {getting}]
acquisition
1: the act of contracting or assuming or acquiring possession of something; "the acquisition of wealth"; "the acquisition of one company by another" 2: something acquired; "a recent acquisition by the...
acquisition agreement
1: contract governing the merger of two or more companies [syn: {merger agreement}]
acquisitive
1: eager to acquire and possess things especially material possessions or ideas; "an acquisitive mind"; "an aquisitive society in which the craving for material things seems never satisfied" [ant: {un...
acquit
1: pronounce not guilty of criminal charges; "The suspect was cleared of the murder charges" [syn: {assoil}, {clear}, {discharge}, {exonerate}, {exculpate}] [ant: {convict}] 2: behave in a certain man...
acquittal
1: a judgment of not guilty [ant: {conviction}]
acquittance
1: a legal document evidencing the discharge of a debt or obligation [syn: {release}]
Acragas
1: a town in Italy in southwestern Sicily near the coast; the site of six Greek temples [syn: {Agrigento}, {Girgenti}]
Acrasiomycetes
1: cellular slime molds; in some classifications placed in Kingdom Protoctista [syn: {class Acrasiomycetes}]
acre
1: a unit of area (4840 square yards) used in English-speaking countries 2: a territory of western Brazil bordering on Bolivia and Peru 3: a town and port in northwestern Israel in the eastern Mediter...
acre-foot
1: the volume of water that would cover 1 acre to a depth of 1 foot; 43,560 cubic feet or 1233.5 cubic meters [also: {acre-feet} (pl)]
acreage
1: an area of ground used for some particular purpose (such as building or farming); "he wanted some acreage to build on" [syn: {land area}]
acres
1: extensive landed property (especially in the country) retained by the owner for his own use; "the family owned a large estate on Long Island" [syn: {estate}, {land}, {landed estate}, {demesne}]
acrid
1: strong and sharp; "the acrid smell of burning rubber" 2: harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her ma...
acridid
1: grasshopper with short antennae [syn: {short-horned grasshopper}]
Acrididae
1: short-horned grasshoppers; true locusts [syn: {family Acrididae}, {Locustidae}, {family Locustidae}]
acridity
1: having an acrid smell 2: extreme bitterness; "the acridity of alkali" [syn: {acridness}] 3: the quality of being sharply disagreeable in language or tone [syn: {acridness}]
acridness
1: extreme bitterness; "the acridity of alkali" [syn: {acridity}] 2: the quality of being sharply disagreeable in language or tone [syn: {acridity}]
Acrilan
1: acrylic resin used to make a strong soft crease-resistant fabric (trade name Acrilan) [syn: {polypropenonitrile}]
acrimonious
1: marked by strong resentment or cynicism; "an acrimonious dispute"; "bitter about the divorce" [syn: {bitter}]
acrimony
1: a sharp and bitter manner [syn: {bitterness}, {acerbity}, {jaundice}]
Acris
1: cricket frogs [syn: {genus Acris}]
Acris crepitans
1: of eastern and central United States [syn: {northern cricket frog}]
Acris gryllus
1: cricket frog of eastern United States [syn: {eastern cricket frog}]
acritical
1: without a crisis (as of some diseases)
acroanaesthesia
1: loss of sensation in the extremities [syn: {acroanesthesia}]
acroanesthesia
1: loss of sensation in the extremities [syn: {acroanaesthesia}]
acrobat
1: an athlete who performs acts requiring skill and agility and coordination
Acrobates
1: a genus of Phalangeridae [syn: {genus Acrobates}]
acrobatic
1: vigorously active; "an acrobatic dance"; "an athletic child"; "athletic playing"; "gymnastic exercises" [syn: {athletic}, {gymnastic}]
acrobatic feat
1: a stunt performed by an acrobat [syn: {acrobatic stunt}]
acrobatics
1: the gymnastic moves of an acrobat [syn: {tumbling}] 2: the performance of stunts while in flight in an aircraft [syn: {aerobatics}, {stunting}, {stunt flying}]
acrocarp
1: a moss in which the main axis is terminated by the archegonium (and hence the capsule) [syn: {acrocarpous moss}] [ant: {pleurocarp}]
acrocarpous
1: (of mosses) having the archegonia at the top of the stem [ant: {pleurocarpous}]
acrocarpous moss
1: a moss in which the main axis is terminated by the archegonium (and hence the capsule) [syn: {acrocarp}] [ant: {pleurocarp}]
Acrocarpus
1: small genus of trees of Indonesia and Malaysia [syn: {genus Acrocarpus}]
Acrocarpus fraxinifolius
1: East Indian timber tree with hard durable wood used especially for tea boxes [syn: {shingle tree}]
acrocentric
1: having a subterminal centromere; "an acrocentric chromosome"
acrocentric chromosome
1: a chromosome with the centromere near one end so that one chromosomal arm is short and one is long
Acrocephalus
1: a genus of Sylviidae [syn: {genus Acrocephalus}]
Acrocephalus schoenobaenus
1: small European warbler that breeds among reeds and wedges and winters in Africa [syn: {sedge warbler}, {sedge bird}, {sedge wren}, {reedbird}]
acrocephaly
1: a congenital abnormality of the skull; the top of the skull assumes a cone shape [syn: {oxycephaly}]
Acroclinium
1: genus of herbs and shrubs of Australia and South Africa: everlasting flower; most species usually placed in genus Helipterum [syn: {genus Acroclinium}]
Acroclinium roseum
1: flower of southwestern Australia having bright pink daisylike papery flowers; grown for drying [syn: {pink-and-white everlasting}, {pink paper daisy}]
Acrocomia
1: Central and South American feather palms [syn: {genus Acrocomia}]
Acrocomia aculeata
1: tropical American feather palm having a swollen spiny trunk and edible nuts [syn: {grugru}, {gri-gri}, {grugru palm}, {macamba}]
Acrocomia vinifera
1: tropical American palm having edible nuts and yielding a useful fiber [syn: {coyol}, {coyol palm}]
acrocyanosis
1: cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion [syn: {Raynaud's sign}]
acrodont
1: an animal having teeth consolidated with the summit of the alveolar ridge without sockets
acrogen
1: any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem
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