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Mechanics

That science, or branch of applied mathematics, which treats of the action of forces on bodies.

Mechanism

The arrangement or relation of the parts of a machine; the parts of a machine, taken collectively; the arrangement or relation of the parts of anything as adapted to produce an effect; as, the mechanism of a watch; the mechanism of a sewing machine; the mechanism of a seed pod.

mechanism of action

The mechanism{2} by which a pharmacologically active substance produces an effect on a living organism or in a biochemical system; as, the mechanism of action of actinomycin involves its binding to DNA. The mechanism of action is usually considered to include an identification of the specific molecular targets to which a pharmacologically active substance binds or whose biochemical action it influences; a general recognition of the broad biochemical pathways (such as DNA synthesis, protein synthesis, cholesterol synthesis) which are inhibited or affected by a substance is termed its mode of action.

Mechanist

A maker of machines; one skilled in mechanics.

Mechanograph

One of a number of copies of anything multiplied mechanically.

Mechanographist

An artist who, by mechanical means, multiplies copies of works of art.

Mechanography

The art of mechanically multiplying copies of a writing, or any work of art.

Mechanurgy

That branch of science which treats of moving machines.

Mechitarist

One of a religious congregation of the Roman Catholic Church devoted to the improvement of Armenians.

Mechlin

A kind of lace made at, or originating in, Mechlin, in Belgium.

Mechoacan

A species of jalap, of very feeble properties, said to be obtained from the root of a species of Convolvulus (Convolvulus Mechoacan); -- so called from Michoacan, in Mexico, whence it is obtained.

Meckelian

Pertaining to, or discovered by, J. F. Meckel, a German anatomist.

Meconic

Pertaining to, or obtained from, the poppy or opium; specif. (Chem.), designating an acid related to aconitic acid, found in opium and extracted as a white crystalline substance.

Meconidine

An alkaloid found in opium, and extracted as a yellow amorphous substance which is easily decomposed.

Meconidium

A kind of gonophore produced by hydroids of the genus Gonothyraea. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel.

Meconin

A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.

Meconinic

Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.

Meconium

Opium. The contents of the fetal intestine; hence, first excrement.

Medal

To honor or reward with a medal.

Medallic

Of or pertaining to a medal, or to medals.

Medalurgy

The art of making and striking medals and coins.

Meddler

One who meddles; one who interferes or busies himself with things in which he has no concern; an officious person; a busybody.

Meddlesome

Given to meddling; apt to interpose in the affairs of others; officiously intrusive.

Mede

See 1st 2d Mead, and Meed.

media

The latinic plural form of medium, sometimes used as a singular noun with the same meaning as medium; as, (Computers) place your installation media into the device which will read it; (Microbiology) the tuberculosis bacterium will only grow in a special media.

Media

One of the sonant mutes /, /, / (b, d, g), in Greek, or of their equivalents in other languages, so named as intermediate between the tenues, /, /, / (p, t, k), and the aspiratae (aspirates) /, /, / (ph or f, th, ch). Also called middle mute, or medial, and sometimes soft mute.

Mediacy

The state or quality of being mediate.

Mediaeval

Of or relating to the Middle Ages; as, mediaeval architecture.

Mediaevalism

The method or spirit of the Middle Ages; devotion to the institutions and practices of the Middle Ages; a survival from the Middle Ages.

Mediaevalist

One who has a taste for, or is versed in, the history of the Middle Ages; one in sympathy with the spirit or forms of the Middle Ages.

Mediaevally

In the manner of the Middle Ages; in accordance with mediaevalism.

Mediaevals

The people who lived in the Middle Ages.

Mediant

The third above the keynote; -- so called because it divides the interval between the tonic and dominant into two thirds.

Mediastinum Mediastine

A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity. The space included between these folds of the pleura, called the mediastinal space, contains the heart and gives passage to the esophagus and great blood vessels.

Mediate

To effect by mediation or interposition; to bring about as a mediator, instrument, or means; as, to mediate a peace.

Mediately

In a mediate manner; by a secondary cause or agent; not directly or primarily; by means; -- opposed to immediately.

Mediation

The act of mediating; action or relation of anything interposed; action as a necessary condition, means, or instrument; interposition; intervention.

Mediative

Pertaining to mediation; used in mediation; as, mediative efforts.

Mediatize

To cause to act through an agent or to hold a subordinate position; to annex; -- specifically applied to the annexation during the former German empire of a smaller German state to a larger, while allowing it a nominal sovereignty, and its prince his rank.

Mediator

One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor.

Mediatorial

Of or pertaining to a mediator, or to mediation; mediatory; as, a mediatorial office.

Medicable

Capable of being medicated; admitting of being cured or healed.

medicaid

A program controlled by the United States government to provide health care for the needy. It is funded by contributions from the salaries of workers, and is therefore a form of health insurance.

Medically

In a medical manner; with reference to healing, or to the principles of the healing art.

Medicament

Anything used for healing diseases or wounds, especially a medicine; a medication; a healing application.

Medicamental

Of or pertaining to medicaments or healing applications; having the qualities of medicaments.

Medicean

Of or relating to the Medici, a noted Italian family; as, the Medicean Venus.

Medicinal

Having curative or palliative properties; used for the cure or alleviation of bodily disorders; as, medicinal tinctures, plants, or springs.

Medicine

To give medicine to; to affect as a medicine does; to remedy; to cure.

medick

Any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves.

medico

a student in medical school.

Medico-legal

Of or pertaining to law as affected by medical facts.

Medicommissure

A large transverse commissure in the third ventricle of the brain; the middle or soft commissure.

Medicornu

The middle or inferior horn of each lateral ventricle of the brain.

Mediety

The middle part; half; moiety.

Medinilla

A genus of tropical Old World ornamental evergreen shrubs having fleshy leaves and large panicles of white pink flowers.

mediocre

Of a middle quality; of but a moderate or low degree of excellence; indifferent; ordinary.

Mediocre

A mediocre person; a mediocrity.

Mediostapedial

Pertaining to that part of the columella of the ear which, in some animals, connects the stapes with the other parts of the columella. The mediostapedial part of the columella.

Meditate

To contemplate; to keep the mind fixed upon; to study.

Meditation

The act of meditating; close or continued thought; the turning or revolving of a subject in the mind; serious contemplation; reflection; musing.

Meditative

Disposed to meditate, or to meditation; as, a meditative man; a meditative mood.

Mediterranean fruit fly

A small two-winged fly (Ceratitis capitata), a native of the Mediterranean countries but now widely distributed in warm regions, which can cause great damage to citrus and other succulent fruit crops when present in large numbers. It is black and white and irregularly banded. It lays eggs in ripening oranges, peaches, and other fruits; when the eggs hatch into larvae (maggots) inside the fruit, they cause the fruit to decay and fall, and make the fruit unsaleable. It is also popularly called the medfly.

Medium

Having a middle position or degree; mean; intermediate; medial; as, a horse of medium size; a decoction of medium strength.

Medius

The third or middle finger; the third digit, or that which corresponds to it.

Medjidieh Medjidie

A silver coin of Turkey formerly rated at twenty, but since 1880 at nineteen, piasters (about 83 cents). A gold coin of Turkey equal (in 1913) to one hundred piastres ($4.396 or 18s. /d.); a lira, or Turkish pound.

Medlar

A tree of the genus Mespilus (Mespilus Germanica); also, the fruit of the tree. The fruit is something like a small apple, but has a bony endocarp. When first gathered the flesh is hard and austere, and it is not eaten until it has begun to decay.

Medle

To mix; to mingle; to meddle.

Medley

Mixed; of mixed material or color.

Medoc

A class of claret wines, including several varieties, from the district of M/doc in the department of Gironde.

Medulla

Marrow; pith; hence, essence.

Medullary

Pertaining to, consisting of, or resembling, marrow or medulla. Pertaining to the medula oblongata.

Medullated

Furnished with a medulla or marrow, or with a medullary sheath; as, a medullated nerve fiber.

Medullin

A variety of lignin or cellulose found in the medulla, or pith, of certain plants. Cf. Lignin, and Cellulose.

Medusa

The Gorgon; or one of the Gorgons whose hair was changed into serpents, after which all who looked upon her were turned into stone.

Medusiform

Resembling a medusa in shape or structure.

Medusoid

Like a medusa; having the fundamental structure of a medusa, but without a locomotive disk; -- said of the sessile gonophores of hydroids. A sessile gonophore. See Illust. under Gonosome.

Meed

To reward; to repay.

Meedful

Worthy of meed, reward, or recompense; meritorious.

Meek

Mild of temper; not easily provoked or orritated; patient under injuries; not vain, or haughty, or resentful; forbearing; submissive.

Meeken Meek

To make meek; to nurture in gentleness and humility.

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