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Melanochroi

A group of the human race, including the dark whites.

Melanochroic

Having a dark complexion; of or pertaining to the Melanochroi.

Melanochroite

A mineral of a red, or brownish or yellowish red color. It is a chromate of lead; -- called also phoenicocroite.

Melanoma

A tumor containing dark pigment. Such tumors are usually malignant and often fatal. Development of dark-pigmented tumors.

Melanorrhoea

An East Indian genus of large trees. Melanorrh/a usitatissima is the lignum-vitae of Pegu (in Burma), and yields a valuable black varnish.

Melanoscope

An instrument containing a combination of colored glasses such that they transmit only red light, so that objects of other colors, as green leaves, appear black when seen through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc., by the red light which they emit.

Melanosperm

An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp.

Melanotype

A positive picture produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture.

Melanterite

A hydrous sulphate of iron of a green color and vitreous luster; iron vitriol.

Melanure

A small fish of the Mediterranean; a gilthead. See Gilthead (a).

Melanuric

Pertaining to, or designating, a complex nitrogenous acid obtained by decomposition of melam, or of urea, as a white crystalline powder; -- called also melanurenic acid.

Melaphyre

Any one of several dark-colored augitic, eruptive rocks allied to basalt.

Melasma

A dark discoloration of the skin, usually local; as, Addison's melasma, or Addison's disease.

Melassic

Pertaining to, or designating, an acid obtained from molasses or glucose, and probably identical with saccharic acid (also called D-glucaric acid or tetrahydroxyadipic acid). See Saccharic.

Melastoma

A genus of evergreen tropical shrubs; -- so called from the black berries of some species, which stain the mouth.

melatonin

A hormone secreted by the pineal gland. Chemically it is N-acety-5-methoxytryptamine. Research has indicated that there are daily rhythms in secretion of melatonin, in particular due to the depressing effect on melatonin production by light received by the retina. Conversely it appears that melatonin may influence the circadian rhythms of animals. There is some experimental evidence that administration of melatonin may increase the amount of sleep in people with sleep disorders. However, the evidence is not convincing and the effect is not profound. Nevertheless, the deregulation of melatonin and its availability over-the-counter has led to many people taking melatonin to help sleep, without consulting a physician.

Melchite

One of a sect, chiefly in Syria and Egypt, which acknowledges the authority of the pope, but adheres to the liturgy and ceremonies of the Eastern Church.

Meld

In the game of pinochle, to declare or announce for a score; as, to meld a sequence.

meld

Any combination or score which may be declared, or melded, in pinochle.

Meleagrididae

A natural family of fowls including the turkeys and some extinct forms.

Meleagrine

Of or pertaining to the genus Meleagris.

Meleagris

A genus of American gallinaceous birds, including the common turkey and the wild turkeys.

Melee

A fight in which the combatants are mingled in one confused mass; a hand to hand conflict; an affray.

Melene

An unsaturated hydrocarbon, C30H60, of the ethylene series, obtained from beeswax as a white, scaly, crystalline wax; -- called also melissene, and melissylene.

Melenite

An explosive of great destructive power; -- so called from its color, which resembles honey.

Melezitose

A variety of sugar, isomeric with sucrose, extracted from the manna of the larch (Larix).

Meliaceous

Pertaining to a natural order (Meliacae) of plants of which the genus Melia is the type. It includes the mahogany and the Spanish cedar.

Melicerous

Consisting of or containing matter like honey; -- said of certain encysted tumors.

Melilite

A mineral occurring in small yellow crystals, found in the lavas (melilite basalt) of Vesuvius, and elsewhere.

Melilot

Any species of Melilotus, a genus of leguminous herbs having a vanillalike odor; sweet clover; hart's clover. The blue melilot (Melilotus caerulea) is used in Switzerland to give color and flavor to sapsago cheese.

Melilotic

Of, pertaining to, or obtained from, sweet clover or melilot; specifically, designating an acid of the aromatic series, obtained from melilot as a white crystalline substance.

Melinae

A subdivision of mammals not used in some classifications; it includes the badgers.

Melinite

A high explosive similar to lyddite, consisting principally of picric acid, used in the French military service.

Melioration

The act or operation of meliorating, or the state of being meliorated; improvement.

Meliorism

The doctrine that there is a tendency throughout nature toward improvement.

Meliority

The state or quality of being better; melioration.

Meliphagan

Any bird of the genus Meliphaga and allied genera; a honey eater; -- called also meliphagidan.

Melisma

A piece of melody; a song or tune, -- as opposed to recitative or musical declamation. A grace or embellishment.

Melissa

A genus of labiate herbs, including the balm, or bee balm (Melissa officinalis).

Melissic

Pertaining to, or derived from, beeswax; specif., denoting an acid obtained by oxidation of myricin.

Melitose

A variety of sugar isomeric with sucrose, extracted from cotton seeds and from the so-called Australian manna (a secretion of certain species of Eucalyptus).

Mellifluous

Flowing as with honey; smooth; flowing sweetly or smoothly; as, a mellifluous voice.

Mellite

A mineral of a honey color, found in brown coal, and partly the result of vegetable decomposition; honeystone. It is a mellitate of alumina.

Mellitic

Containing saccharine matter; marked by saccharine secretions; as, mellitic diabetes. Pertaining to, or derived from, the mineral mellite.

Mellone

A yellow powder, C6H3N9, obtained from certain sulphocyanates. It has acid properties and forms compounds called mellonides.

Mellow

To become mellow; as, ripe fruit soon mellows.

mellowed

having a mild and pleasing flavor through proper aging.

mellowing

The act or process of acquiring desirable qualities by being left undisturbed for some time.

Melluco

A climbing plant (Ullucus officinalis) of the Andes, having tuberous roots which are used as a substitute for potatoes.

Melodic

Of the nature of melody; relating to, containing, or made up of, melody; melodious.

Melodics

The branch of musical science which treats of the pitch of tones, and of the laws of melody.

Melodiograph

A contrivance for preserving a record of music, by recording the action of the keys of a musical instrument when played upon.

Melodious

Containing, or producing, melody; musical; agreeable to the ear by a sweet succession of sounds; as, a melodious voice.

Melodist

A composer or singer of melodies.

Melodize

To make melody; to compose melodies; to harmonize.

Melodrama

Formerly, a kind of drama having a musical accompaniment to intensify the effect of certain scenes. Now, a drama abounding in romantic sentiment and agonizing situations, with a musical accompaniment only in parts which are especially thrilling or pathetic. In opera, a passage in which the orchestra plays a somewhat descriptive accompaniment, while the actor speaks; as, the melodrama in the gravedigging scene of Beethoven's /Fidelio/.

Melodramatic

Of or pertaining to melodrama; like or suitable to a melodrama; unnatural in situation or action.

meloid

A beetle belongoing to the family Meloidae.

Meloidae

A natural family of insects comprising the blister beetles.

Melolonthidae

A natural subfamily of beetles, considered a separate family in some classification systems.

Melolonthidian

A beetle of the genus Melolontha, and allied genera. See May beetle, under May.

Melopiano

A piano having a mechanical attachment which enables the player to prolong the notes at will.

Meloplastic

Of or pertaining to meloplasty, or the artificial formation of a new cheek.

Meloplasty

The process of restoring a cheek which has been destroyed wholly or in part.

Melopoeia

The art of forming melody; melody; -- now often used for a melodic passage, rather than a complete melody.

melosa

A South American herb (Madia sativa) with sticky glandular foliage; it is a source of madia oil.

Melospiza

A genus of American song sparrows and swamp sparrows.

Melotype

A picture produced by a process in which development after exposure may be deferred indefinitely, so as to permit transportation of exposed plates; also, the process itself.

Melt

To be changed from a solid to a liquid state under the influence of heat; as, butter and wax melt at moderate temperatures.

Melter

One who, or that which, melts.

Melting

Causing to melt; becoming melted; -- used literally or figuratively; as, a melting heat; a melting appeal; a melting mood.

Melting pot

A vessel in which anything is melted; a crucible.

Melton

A kind of stout woolen cloth with unfinished face and without raised nap. A commoner variety has a cotton warp.

Melungeon

One of a mixed white and Indian people living in parts of Tennessee and the Carolinas. They are descendants of early intermixtures of white settlers with natives. In North Carolina the Croatan Indians, regarded as descended from Raleigh's lost colony of Croatan, formerly classed with negroes, are now legally recognized as distinct.

Melursus

A genus of mammals including the sloth bears; in some classifications not a separate genus from Ursus.

Melville

Herman Melville, American novelist, author of Moby Dick; b. 1819, d. 1891.

mem

the 13th letter of the Hebrew alphabet.

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