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 acraspeda A group of acalephs that includes most of the larger jellyfish acraspedote Relating to jellyfish of the class Acraspeda acrasy Synonym of acrasia (“lack of self-control; intemperance, excess; also, irregular or unruly behaviour”); (countable) an instance of this. acratia Feebleness; impotence or lack of strength due to lack of tone. acrawl Crawling. acraze To weaken, impair, or enfeeble in mind, body, or estate; craze. acre An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres. acreable Based on an acre; per acre. acreage Size, as measured in acres. acreak creaking acred Owning or possessing many acres of land. Acree A surname. Acrefair A village in Cefn community, Wrexham borough, Wales (OS grid ref SJ2743). acreful As much as an acre produces or uses. acreless Lacking ownership or possession of land; landless. acreman A leader of a plowing team in medieval England. acrembolic Able to be withdrawn by muscles that cause the tip to sink inwards. acremonium Any of many fungi, of the genus Acremonium, many of which produce cephalosporin antibiotics acreocracy Important landowners, considered as a class. Acri A town in the province of Cosenza, Calabria, Italy. acribic meticulous, painstaking, thorough acrichin The antimalarial drug quinacrine hydrochloride. acrid Sharp and harsh, or bitter and not to the taste. acridan The aromatic secondary amine 9,10-dihydroacridine related to acridine acridarsine A tricyclic aromatic heterocycle formally derived from acridine by replacing the nitrogen atom with arsenic acridian Any member of the family Acrididae of grasshoppers, crickets, locusts etc. acridid Any member of the family Acrididae of locusts and related grasshoppers. acridine A tricyclic aromatic heterocycle, dibenzopyridine, obtained from coal tar; it is used in the manufacture of dyes and drugs acridinium Any cation produced by protonation of an acridine. acridinone The heterocyclic ketone 2H-acridin-1-one acridinyl A univalent radical derived from acridine acridity Bitterness or acerbity. acridivore Any organism that eats grasshoppers and locusts acridivorous that eats grasshoppers and locusts acridly In a harsh or corrosive manner. acridness Bitterness or acerbity. acridocarpoid Any plant of the genus Acridocarpus acridological Relating to acridology. acridologist An expert in acridology acridology The scientific study of grasshoppers and locusts (of the infraorder Acrididea). acridone An tricyclic heterocyclic ketone derived from acridine; any derivative of this compound acridophagi A supposed locust-eating people in ancient ethnography, located by Diodorus Siculus, Jerome, Pliny the Elder, and Strabo, variously in Ethiopia, Libya, or Parthia. acridophagous Of or pertaining to an acridophagus. acridophagus One who eats grasshoppers and locusts. acridophosphine A tricyclic aromatic heterocycle formally derived from acridine by replacing the nitrogen atom with phosphorus acridorex An anorexiant drug. acriflavine An antimicrobial flavonoid dye derived from acridine acrihellin A cardiotonic drug. acrimonious Harsh and sharp, or bitter and not pleasant to the taste; acrid, pungent. acrimoniously In an acrimonious manner; with acrimony. acrimoniousness The quality of being acrimonious. acrimony A sharp and bitter hatred. acrinathrin A synthetic pyrethroid insecticide used to control Varroa jacobsoni mites and other insects. acrinol The antiseptic ethacridine lactate acrinyl The univalent radical p-hydroxybenzyl acrisia The absence of a crisis from a disease. acrisol A kind of clay-rich soil associated with humid tropical climates. acrisorcin A topical antiinfective, typically used as a fungicide, whose active ingredients are 9-aminoacridine and 4-hexylresorcinol. acrisy An inability to judge the outcome of a disease Acrita The lowest groups of animals, in which no nervous system has been observed. Today it roughly corresponds to the protozoans acritan Any animal that is a member of the Acrita acritarch Any small, non-acid-soluble (i.e. non-carbonate, non-siliceous) organic fossil that cannot be classified. acrite Relating to, or characteristic of the Acrita acritical Not critical. acritically In an acritical manner or fashion. acritochromacy Color blindness, achromatopsia. acritolepid Any extinct sharklike fish of the family †Acritolepidae acritude acridity; pungency combined with heat. acrity Sharpness, keenness or acridity. acrivastine A particular antihistamine used to treat allergies and hay fever. acrixolimab An investigational monoclonal antibody for cancer treatment. acro Combining acrobatic elements with something else. acroaesthesia hyperaesthesia, especially that affects the hands or feet acroagnosis The loss of the sensory recognition of a limb acroama rhetorical declamation acroamatic Of or pertaining to hearing. acroamatical Synonym of acroamatic. acroamatically In an acroamatic/acroamatical way; esoterically; reconditely; privately. acroamatics The practice of delivering esoteric lectures. acroanaesthesia Local anesthesia. acroangiodermatitis A cutaneous condition characterised by erythematous violaceous lesions, localised mainly on the legs and feet. acroarthritis arthritis in the joints of the hands or feet acroasis An oral discourse. acroasphyxia Impaired circulation to the fingers acroataxia ataxia that affects the hands and fingers, feet and toes acroatic acroamatic. acroatics acroamatics. acrobacy acrobatics acrobalance A form of exercise or performance involving two or more people performing balances without the use of any props. acrobat An athlete who performs acts requiring skill, agility and coordination, often as part of a circus performance. acrobatess A female acrobat. acrobatholithic Relating to the upward-projecting dome of a batholith acrobatic Of or pertaining to an acrobat. acrobatically In an acrobatic manner. acrobatics The art of performing acrobatic gymnastic feats. acrobatid Any marsupial of the family Acrobatidae; a feathertail glider or a feather-tailed possum. acrobatism The feats of an acrobat; daring acrobatics. acrobatize To perform acrobatics; to behave in the manner of an acrobat. acroblast Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis. acroblastic Describing the branch of an inflorescence that arises from a terminal bud. acrobrachycephaly A form of craniosynostosis acrobranching A recreation in which participants climb tall trees and cross to others via the branches acrocallosal Characterized by agenesis of the corpus callosum. acrocapitofemoral Relating to the proximal femoral head. acrocarp Any acrocarpous moss acrocarpous Developing the archegonium on the summit of the primary stem; fruiting at tips. acrocentric (of a chromosome) Having the centromere very near to one end, and thus having a long arm, and a very short arm. acrocentricity The condition of being acrocentric acrocephalia A deformity of the head in which the top is more or less pointed. acrocephalic A person suffering from a pointed skull. acrocephalid Pertaining to or resembling the Acrocephalidae of reed warblers and others. acrocephaline Of or pertaining to the Acrocephalus genus of warblers acrocephalopolydactylous Relating to acrocephalopolydactyly. acrocephalopolydactyly A rare disorder characterized by massive birthweight, polydactyly and other defects. acrocephalopolysyndactyly A group of inherited congenital disorders characterized by premature fusion of the cranial sutures, resulting in an abnormal skull shape, together with the presence of extra digits and fusion of digits, often accompanied by additional craniofacial and skeletal abnormalities. acrocephalosyndactylia A group of inherited congenital disorders characterized by the premature fusion of cranial sutures resulting in an abnormal, often pointed skull shape, together with fusion of the digits, frequently associated with additional craniofacial and systemic abnormalities. acrocephalous Of or pertaining to acrocephaly acrocephaly The condition of suffering from a pointed skull. Acroceraunian Of or relating to the Ceraunian Mountains. acrocercus The sense organ located on one of the apicalmost abdominal terga of an insect; a cercus. acrocerid Any fly of the family Acroceridae. acrochord Any snake of the genus Acrochordus acrochordal Relating to the acrochords acrochordid Any member of the family Acrochordidae. acrochordoid Any snake of the superfamily Acrochordoidea acrochordon A soft, pedunculated or pensile wart, consisting of myomatous or edematous fibrous tissue, often found on the neck or eyelids of elderly persons. acrocinesia Excessive movement of the limbs acrocirrid Any of many polychaete worms of the family Acrocirridae acroclinium Any Australian plant of the former genus Acroclinium (now included in genus Rhodanthe) acrocontracture contracture of the joints of the hands or feet acrocoracohumeral That connects the acrocoracoid process to the humerus. acrocoracoid A dorsal expansion of the coracoid bone which completes the opening for the triosseal canal. acrocoracoidal Relating to the acrocoracoid process acrocranial Pointed at the top. acrocrany The condition of being acrocranial acrocyanosis A persistent blue or cyanotic discoloration of the digits, most commonly occurring in the hands although also occurring in the face and feet as well. acrocyanotic Of or pertaining to acrocyanosis acrocyst A chitinous cyst of the gonophore at the top of the gonotheca in some hydroids acrodactylum The upper surface of a toe acrodendrophile A creature that inhabits the treetops acrodendrophilic Relating to acrodendrophiles acrodendrophily The tendency of an animal to inhabit or frequent treetops. acrodermatitis dermatitis that affects the hands and feet acrodermatosis dermatosis that affects the hands or feet acrodont Having teeth immovably united to the top of the alveolar ridge. acrodontan acrodont acrodontism The condition of being acrodont acrodonty The condition of being acrodont acrodrome That run parallel to the edges of the leaf and meet at the tip acrodynamic Having the accent on the root in the strong cases and on the ending in the weak cases.