Webster's Dictionary, 1913

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Malacostomous adjective [ Greek ... soft + ... mouth.] (Zoology) Having soft jaws without teeth, as certain fishes.

Malacostraca noun plural [ New Latin , from Greek ... soft + ... shell of a testacean.] (Zoology) A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca.

Malacostracan noun (Zoology) One of the Malacostraca.

Malacostracology noun [ Malacostrac an + -logy .] That branch of zoölogical science which relates to the crustaceans; -- called also carcinology .

Malacostracous adjective (Zoology) Belonging to the Malacostraca.

Malacotoon noun (Botany) See Melocoton .

Malacozoa noun plural [ New Latin , from Greek ... soft + zo^,on an animal.] (Zoology) An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria .

Malacozoic adjective (Zoology) Of or pertaining to the Malacozoa.

Maladdress noun [ Mal- + address .] Bad address; an awkward, tactless, or offensive way of accosting one or talking with one. W. D. Howells.

Maladjustment noun [ Mal- + adjustment .] A bad adjustment.

Maladministration noun [ Mal- + administration .] Bad administration; bad management of any business, especially of public affairs. [ Written also maleadministration .]

Maladroit adjective [ French See Malice , and Adroit .] Of a quality opposed to adroitness; clumsy; awkward; unskillful. -- Mal"a*droit`ly , adverb -- Mal`a*droit"ness , noun

Malady noun ; plural Maladies . [ French maladie , from malade ill, sick, Old French also, malabde , from Latin male habitus , i. e., ill-kept, not in good condition. See Malice , and Habit .]
1. Any disease of the human body; a distemper, disorder, or indisposition, proceeding from impaired, defective, or morbid organic functions; especially, a lingering or deep-seated disorder.

The maladies of the body may prove medicines to the mind.
Buckminster.

2. A moral or mental defect or disorder.

Love's a malady without a cure.
Dryden.

Syn. -- Disorder; distemper; sickness; ailment; disease; illness. See Disease .

Malaga noun A city and a province of Spain, on the Mediterranean. Hence, Malaga grapes, Malaga raisins, Malaga wines.

Malagash noun Same as Malagasy .

Malagasy noun sing. & plural A native or natives of Madagascar; also ( sing .), the language.

Malaise noun [ French, from mal ill + aise ease.] (Medicine) An indefinite feeling of uneasiness, or of being sick or ill at ease.

Malamate noun (Chemistry) A salt of malamic acid.

Malambo noun [ Portuguese ] A yellowish aromatic bark, used in medicine and perfumery, said to be from the South American shrub Croton Malambo .

Malamethane noun [ Malamic + ethane .] (Chemistry) A white crystalline substance forming the ethyl salt of malamic acid.

Malamic adjective [ Mal ic + amic .] (Chemistry) Of or designating an acid intermediate between malic acid and malamide, and known only by its salts.

Malamide noun [ Malic + amide .] (Chemistry) The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine.

Malanders noun plural [ French malandres , from Latin malandria blisters or pustules on the neck, especially in horses.] (Far.) A scurfy eruption in the bend of the knee of the fore leg of a horse. See Sallenders . [ Written also mallenders .]

Malapert adjective [ Old French malapert unskillful, ill-taught, ill-bred; mal ill + apert open, adroit, intelligent, Latin apertus , past participle of aperire to open. See Malice , and Aperient .] Bold; forward; impudent; saucy; pert. Shak. -- noun A malapert person.

Are you growing malapert ! Will you force me to make use of my authority ?
Dryden.

-- Mal"a*pert`ly , adverb -- Mal"a*pert`ness , noun

Malapropism noun [ From Mrs. Malaprop , a character in Sheridan's drama, " The Rivals," who makes amusing blunders in her use of words. See Malapropos .] A grotesque misuse of a word; a word so used.

Malapropos adjective & adverb [ French mal à propos ; mal evil + à propos to the purpose.] Unseasonable or unseasonably; unsuitable or unsuitably.

Malapterurus (măl*ăp`te*ru"rŭs) noun [ New Latin , from Greek malako`s soft + ptero`n wing + o'yra` tail.] (Zoology) A genus of African siluroid fishes, including the electric catfishes. See Electric cat , under Electric .

Malar adjective [ Latin mala the cheek: confer French malaire .] (Anat.) Of or pertaining to the region of the cheek bone, or to the malar bone; jugal.

Malar noun (Anat.) The cheek bone, which forms a part of the lower edge of the orbit.

Malaria noun [ Italian , contr. from malaaria bad air. See Malice , and Air.]
1. Air infected with some noxious substance capable of engendering disease; esp., an unhealthy exhalation from certain soils, as marshy or wet lands, producing fevers; miasma.

» The morbific agent in malaria is supposed by some to be a vegetable microbe or its spores, and by others to be a very minute animal blood parasite (an infusorian ).

2. (Medicine) A morbid condition produced by exhalations from decaying vegetable matter in contact with moisture, giving rise to fever and ague and many other symptoms characterized by their tendency to recur at definite and usually uniform intervals.

Malaria parasite Any of several minute protozoans of the genus Plasmodium (syn. Hæmatozoön ) which in their adult condition live in the tissues of mosquitoes of the genus Anopheles (which see) and when transferred to the blood of man, by the bite of the mosquito, produce malaria. The young parasites, or sporozoites , enter the red blood corpuscles, growing at their expense, undergoing sporulation, and finally destroying the corpuscles, thus liberating in the blood plasma an immense number of small spores called merozoites . An indefinite but not ultimated number of such generations may follow, but if meanwhile the host is bitten by a mosquito, the parasites develop into gametes in the stomach of the insect. These conjugate, the zygote thus produced divides, forming spores, and eventually sporozoites, which, penetrating to the salivary glands of the mosquito, may be introduced into a new host. The attacks of the disease coincide with the dissolution of the corpuscles and liberation of the spores and products of growth of the parasites into the blood plasma. Several species of the parasite are distinguished, as P. vivax , producing tertian malaria; P. malariæ , quartan malaria; and P. (subgenus Laverania) falciferum , the malarial fever of summer and autumn common in the tropics.

Malarial, Malarian Ma*la"ri*ous adjective Of or pertaining, to or infected by, malaria.

Malarial fever (Medicine) , a fever produced by malaria, and characterized by the occurrence of chills, fever, and sweating in distinct paroxysms, At intervals of definite and often uniform duration, in which these symptoms are wholly absent ( intermittent fever ), or only partially so ( remittent fever ); fever and ague; chills and fever.

Malashaganay noun [ Indian name.] (Zoology) The fresh-water drumfish ( Haploidonotus grunniens ).

Malassimilation noun [ Mal- + assimilation .] (Physiol.) (a) Imperfect digestion of the several leading constituents of the food. (b) An imperfect elaboration by the tissues of the materials brought to them by the blood.

Malate noun [ Latin malum apple: confer French malate . See Malic .] (Chemistry) A salt of malic acid.

Malax, Malaxate transitive verb [ Latin malaxare , malaxatum , confer Greek ..., from ... soft: confer French malaxer .] To soften by kneading or stirring with some thinner substance. [ R.]

Malaxation noun [ Latin malaxatio : confer French malaxation .] The act of softening by mixing with a thinner substance; the formation of ingredients into a mass for pills or plasters. [ R.]

Malaxator noun One who, or that which, malaxates; esp., a machine for grinding, kneading, or stirring into a pasty or doughy mass. [ R.]

Malay noun One of a race of a brown or copper complexion in the Malay Peninsula and the western islands of the Indian Archipelago.

Malay, Malayan adjective Of or pertaining to the Malays or their country. -- noun The Malay language.

Malay apple (Botany) , a myrtaceous tree ( Eugenia Malaccensis ) common in India; also, its applelike fruit.

Malayalam noun The name given to one the cultivated Dravidian languages, closely related to the Tamil. Yule.

Malbrouck noun [ French] (Zoology) A West African arboreal monkey ( Cercopithecus cynosurus ).

Malconformation noun [ Mal- + conformation .] Imperfect, disproportionate, or abnormal formation; ill form; disproportion of parts.

Malcontent adjective [ French, from mal ill + content . See Malice , Content .] discontented; uneasy; dissatisfied; especially, dissatisfied with the government. [ Written also malecontent .]

The famous malcontent earl of Leicester.
Milner.

Malcontent noun [ French malcontent .] One who discontented; especially, a discontented subject of a government; one who expresses his discontent by words or overt acts. Spenser. Berkeley.

Malcontented adjective Malcontent. -- Mal`con*tent"ed*ly , adverb -- Mal`con*tent"ed*ness , noun

Maldanian noun (Zoology) Any species of marine annelids of the genus Maldane , or family Maldanidæ . They have a slender, round body, and make tubes in the sand or mud.