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Ambrosian

Of or pertaining to St. Ambrose; as, the Ambrosian office, or ritual, a formula of worship in the church of Milan, instituted by St. Ambrose.

Ambrosin

An early coin struck by the dukes of Milan, and bearing the figure of St. Ambrose on horseback.

Ambrotype

A picture taken on a plate of prepared glass, in which the lights are represented in silver, and the shades are produced by a dark background visible through the unsilvered portions of the glass.

Ambry

In churches, a kind of closet, niche, cupboard, or locker for utensils, vestments, etc.

Ambs-ace

Double aces, the lowest throw of all at dice. Hence: Bad luck; anything of no account or value.

Ambulacral

Of or pertaining to ambulacra; avenuelike; as, the ambulacral ossicles, plates, spines, and suckers of echinoderms.

Ambulacrum

One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays. One of the suckers on the feet of mites.

Ambulance

A field hospital, so organized as to follow an army in its movements, and intended to succor the wounded as soon as possible. Often used adjectively; as, an ambulance wagon; ambulance stretcher; ambulance corps. An ambulance wagon or cart for conveying the wounded from the field, or to a hospital.

Ambulant

Walking; moving from place to place.

Ambulatory

A place to walk in, whether in the open air, as the gallery of a cloister, or within a building.

Ambush

To lie in wait, for the purpose of attacking by surprise; to lurk.

ameba

naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion. Same as amoeba.

ameban

of or pertaining to amoebae. Same as amoeban.

ameboid

Resembling an amoeba especially in the shape or manner of motion

Ameiuridae

A natural family of fish comprising the North American catfishes.

Ameiurus

the type genus of the Ameiuridae: bullhead catfishes.

Amelanchier

a genus of North American deciduous trees or shrubs.

Amelcorn

A variety of wheat from which starch is produced; -- called also French rice.

Ameliorate

To grow better; to meliorate; as, wine ameliorates by age.

ameliorating

causing improvement in or reducing the bad effects of an unfavorable condition.

Amelioration

The act of ameliorating, or the state of being ameliorated; making or becoming better; improvement; melioration.

Ameliorative

Tending to ameliorate; producing amelioration or improvement; as, ameliorative remedies, efforts.

Amen

To say Amen to; to sanction fully.

Amen-Ra

The ancient Egyptian sun god; supreme god of the universe in whom Amen and Ra were combined; the principal deity during the Theban supremacy.

Amenability

The quality of being amenable; amenableness.

Amenable

Easy to be led; governable, as a woman by her husband.

Amenableness

The quality or state of being amenable; liability to answer charges; answerableness.

Amend

To grow better by rectifying something wrong in manners or morals; to improve.

Amendable

Capable of being amended; as, an amendable writ or error.

Amendatory

Supplying amendment; corrective; emendatory.

Amende

A pecuniary punishment or fine; a reparation or recantation.

Amendment

An alteration or change for the better; correction of a fault or of faults; reformation of life by quitting vices.

Amends

Compensation for a loss or injury; recompense; reparation.

amenia

absence or suppression of normal menstrual flow.

amenities

things that make you comfortable and at ease.

Amenity

The quality of being pleasant or agreeable, whether in respect to situation, climate, manners, or disposition; pleasantness; civility; suavity; gentleness.

Ament

A species of inflorescence; a catkin.

Amentaceous

Resembling, or consisting of, an ament or aments; as, the chestnut has an amentaceous inflorescence. Bearing aments; having flowers arranged in aments; as, amentaceous plants.

Amentiferae

used in some classification systems for plants that bear catkins.

Amerce

To punish by a pecuniary penalty, the amount of which is not fixed by law, but left to the discretion of the court; as, the court amerced the criminal in the sum of one hundred dollars.

Amercement

The infliction of a penalty at the discretion of the court; also, a mulct or penalty thus imposed. It differs from a fine, in that the latter is, or was originally, a fixed and certain sum prescribed by statute for an offense; but an amercement is arbitrary. Hence, the act or practice of affeering. [See Affeer.]

American

A native of America; -- originally applied to the aboriginal inhabitants, but now applied to the descendants of Europeans born in America, and especially to the citizens of the United States.

American Indian

a red-skinned member of a race of people living in North America when Europeans arrived.

American sign language

a sign language, used in the United States mostly by the deaf or for communication with the deaf, in which gestures made with the hands symbolize words, alphabetical letters, or ideas, permitting rapid communication in the absence of speech.

Americana

any artifact (such a books or furniture or art) that is distinctive to America.

Americanize

To render American; to assimilate to the Americans in customs, ideas, etc.; to stamp with American characteristics.

Amess

Amice, a hood or cape. See 2d Amice.

Ametabola

A group of insects which do not undergo any metamorphosis.

Ametabolian

Of or pertaining to insects that do undergo any metamorphosis.

Amethystine

Resembling amethyst, especially in color; bluish violet.

ametropia

A visual impairment resulting from faulty refraction of light rays in the eye. Subtypes include myopia astigmatism and hyperopia.

Amharic

Of or pertaining to Amhara, a division of Abyssinia; as, the Amharic language is closely allied to the Ethiopic. The Amharic language (now the chief language of Abyssinia).

Amia

A genus of fresh-water ganoid fishes, exclusively confined to North America; called bowfin in Lake Champlain, dogfish in Lake Erie, and mudfish in South Carolina, etc. See Bowfin.

Amiability

The quality of being amiable; amiableness; sweetness of disposition.

Amianthus

Earth flax, or mountain flax; a soft silky variety of asbestus.

Amic

Related to, or derived, ammonia; -- used chiefly as a suffix; as, amic acid; phosphamic acid.

Amicability

The quality of being amicable; friendliness; amicableness.

Amicable

Friendly; proceeding from, or exhibiting, friendliness; after the manner of friends; peaceable; as, an amicable disposition, or arrangement.

Amice

A hood, or cape with a hood, made of lined with gray fur, formerly worn by the clergy; -- written also amess, amyss, and almuce.

Amid Amidst

In the midst or middle of; surrounded or encompassed by; among.

Amide

A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical.

Amidin

Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.

Amido

Containing, or derived from, amidogen.

Amidogen

A compound radical, NH2, not yet obtained in a separate state, which may be regarded as ammonia from the molecule of which one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido.

Amidol

A salt of a diamino phenol, C6H3(OH)(NH2)2, used as a developer.

Amidships

In the middle of a ship, with regard to her length, and sometimes also her breadth.

Amigo

A friend; -- a Spanish term applied in the Philippine Islands to friendly natives.

Amine

One of a class of basic substances derived from ammonia by replacement of one or more hydrogen atoms by an alkyl or aryl group. Compare amide, in which an acyl group is attached to the nitrogen. Hydroxylamine and hydrazine, which are not an organic compounds, are also basic and may also be considered amines.

aminoalkane

a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals.

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