acanthus

any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated ;

acanthus family

widely distributed herbs and shrubs and trees; sometimes placed in the order Scrophulariales ;

acanthus mollis

widely cultivated southern European acanthus with whitish purple-veined flowers ;

acapnia

a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing ;

acapulco

a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving) ;

acapulco de juarez

a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving) ;

acapulco gold

a particularly potent variety of marijuana ;

acaracide

a chemical agent used to kill mites ;

acardia

congenital absence of the heart (as in the development of some monsters) ;

acariasis

infestation with itch mites ;

acaricide

a chemical agent used to kill mites ;

acarid

very small free-living arachnid that is parasitic on animals or plants; related to ticks ;

acaridae

mites ;

acaridiasis

infestation with itch mites ;

acarina

mites and ticks ;

acarine

mite or tick ;

acariosis

infestation with itch mites ;

acaroid resin

an alcohol-soluble resin from Australian trees; used in varnishes and in manufacturing paper ;

acarophobia

a morbid fear of small insects and mites and worms ;

acarus

any of several mites of the order Acarina ;

acaryote

a cell without a nucleus (as an erythrocyte) ;

acatalectic

(prosody) a line of verse that has the full number of syllables ;

acataphasia

a disorder in which a lesion to the central nervous system leaves you unable to formulate a statement or to express yourself in an organized manner ;

acathexia

an inability to retain bodily secretions ;

acathexis

(psychoanalysis) a lack of cathexis; a condition in which significant objects or memories arouse no emotion in an individual ;

acc

a command that is the primary provider of air combat weapon systems to the United States Air Force; operates fighter, bomber, reconnaissance, battle-management, and rescue aircraft ;

accaroid resin

an alcohol-soluble resin from Australian trees; used in varnishes and in manufacturing paper ;

accelerando

a gradually increasing tempo of music; "my ear will not accept such violent accelerandos" ;

acceleration

the act of accelerating; increasing the speed ; an increase in rate of change; "modern science caused an acceleration of cultural change" ; (physics) a rate of increase of velocity ;

acceleration unit

a unit for measuring acceleration ;

accelerator

a valve that regulates the supply of fuel to the engine ; a scientific instrument that increases the kinetic energy of charged particles ; a pedal that controls the throttle valve; "he stepped on the gas" ; (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected ;

accelerator factor

a coagulation factor ;

accelerator pedal

a pedal that controls the throttle valve; "he stepped on the gas" ;

accelerometer

an instrument for measuring the acceleration of aircraft or rockets ;

accent

a diacritical mark used to indicate stress or placed above a vowel to indicate a special pronunciation ; the relative prominence of a syllable or musical note (especially with regard to stress or pitch); "he put the stress on the wrong syllable" ; distinctive manner of oral expression; "he couldn't suppress his contemptuous accent"; "she had a very clear speech pattern" ; the usage or vocabulary that is characteristic of a specific group of people; "the immigrants spoke an odd dialect of English"; "he has a strong German accent"; "it has been said that a language is a dialect with an army and navy" ; special importance or significance; "the red light gave the central figure increased emphasis"; "the room was decorated in shades of grey with distinctive red accents" ;

accent mark

a diacritical mark used to indicate stress or placed above a vowel to indicate a special pronunciation ;

accenting

the act of giving special importance or significance to something ;

accentor

small sparrow-like songbird of mountainous regions of Eurasia ;

accentual system

the system of accentuation used in a particular language ;

accentuation

the act of giving special importance or significance to something ; the use or application of an accent; the relative prominence of syllables in a phrase or utterance ;