Webster's Unabridged Dictionary - Letter A - Page 82

Approximate (v. t.) To carry or advance near; to cause to approach.

Approximate (v. t.) To come near to; to approach.

Approximate (v. i.) To draw; to approach.

Approximately (adv.) With approximation; so as to approximate; nearly.

Approximation (n.) The act of approximating; a drawing, advancing or being near; approach; also, the result of approximating.

Approximation (n.) An approach to a correct estimate, calculation, or conception, or to a given quantity, quality, etc.

Approximation (n.) A continual approach or coming nearer to a result; as, to solve an equation by approximation.

Approximation (n.) A value that is nearly but not exactly correct.

Approximative (a.) Approaching; approximate.

Approximator (n.) One who, or that which, approximates.

Appui (n.) A support or supporter; a stay; a prop.

Appulse (n.) A driving or running towards; approach; impulse; also, the act of striking against.

Appulse (n.) The near approach of one heavenly body to another, or to the meridian; a coming into conjunction; as, the appulse of the moon to a star, or of a star to the meridian.

Appulsion (n.) A driving or striking against; an appulse.

Appulsive (a.) Striking against; impinging; as, the appulsive influence of the planets.

Appulsively (adv.) By appulsion.

Appurtenance (n.) That which belongs to something else; an adjunct; an appendage; an accessory; something annexed to another thing more worthy; in common parlance and legal acceptation, something belonging to another thing as principal, and which passes as incident to it, as a right of way, or other easement to land; a right of common to pasture, an outhouse, barn, garden, or orchard, to a house or messuage. In a strict legal sense, land can never pass as an appurtenance to land.

Appurtenant (a.) Annexed or pertaining to some more important thing; accessory; incident; as, a right of way appurtenant to land or buildings.

Appurtenant (n.) Something which belongs or appertains to another thing; an appurtenance.

Apricate (v. t. & i.) To bask in the sun.

Aprication (n.) Basking in the sun.

Apricot (n.) A fruit allied to the plum, of an orange color, oval shape, and delicious taste; also, the tree (Prunus Armeniaca of Linnaeus) which bears this fruit. By cultivation it has been introduced throughout the temperate zone.

April (n.) The fourth month of the year.

April (n.) Fig.: With reference to April being the month in which vegetation begins to put forth, the variableness of its weather, etc.

A priori () Characterizing that kind of reasoning which deduces consequences from definitions formed, or principles assumed, or which infers effects from causes previously known; deductive or deductively. The reverse of a posteriori.

A priori () Applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible.

Apriorism (n.) An a priori principle.

Apriority (n.) The quality of being innate in the mind, or prior to experience; a priori reasoning.

Aprocta (n. pl.) A group of Turbellaria in which there is no anal aperture.

Aproctous (a.) Without an anal office.

Apron (n.) An article of dress, of cloth, leather, or other stuff, worn on the fore part of the body, to keep the clothes clean, to defend them from injury, or as a covering. It is commonly tied at the waist by strings.

Apron (n.) Something which by its shape or use suggests an apron;

Apron (n.) The fat skin covering the belly of a goose or duck.

Apron (n.) A piece of leather, or other material, to be spread before a person riding on an outside seat of a vehicle, to defend him from the rain, snow, or dust; a boot.

Apron (n.) A leaden plate that covers the vent of a cannon.

Apron (n.) A piece of carved timber, just above the foremost end of the keel.

Apron (n.) A platform, or flooring of plank, at the entrance of a dock, against which the dock gates are shut.

Apron (n.) A flooring of plank before a dam to cause the water to make a gradual descent.

Apron (n.) The piece that holds the cutting tool of a planer.

Apron (n.) A strip of lead which leads the drip of a wall into a gutter; a flashing.

Apron (n.) The infolded abdomen of a crab.

Aproned (a.) Wearing an apron.

Apronfuls (pl. ) of Apronful

Apronful (n.) The quantity an apron can hold.

Apronless (a.) Without an apron.

Apron man () A man who wears an apron; a laboring man; a mechanic.

Apron string () The string of an apron.

Aprosos (a. & adv.) Opportunely or opportune; seasonably or seasonable.

Aprosos (a. & adv.) By the way; to the purpose; suitably to the place or subject; -- a word used to introduce an incidental observation, suited to the occasion, though not strictly belonging to the narration.

Apse (n.) A projecting part of a building, esp. of a church, having in the plan a polygonal or semicircular termination, and, most often, projecting from the east end. In early churches the Eastern apse was occupied by seats for the bishop and clergy.

Apse (n.) The bishop's seat or throne, in ancient churches.

Apse (n.) A reliquary, or case in which the relics of saints were kept.

Apsidal (a.) Of or pertaining to the apsides of an orbit.

Apsidal (a.) Of or pertaining to the apse of a church; as, the apsidal termination of the chancel.

Apsides (n. pl.) See Apsis.

Apsides (pl. ) of Apsis

Apsis (n.) One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the other, the lower apsis; and the line joining them, the line of apsides.

Apsis (n.) In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.

Apsis (n.) Same as Apse.

Apt (a.) Fit or fitted; suited; suitable; appropriate.

Apt (a.) Having an habitual tendency; habitually liable or likely; -- used of things.

Apt (a.) Inclined; disposed customarily; given; ready; -- used of persons.

Apt (a.) Ready; especially fitted or qualified (to do something); quick to learn; prompt; expert; as, a pupil apt to learn; an apt scholar.

Apt (v. t.) To fit; to suit; to adapt.

Aptable (a.) Capable of being adapted.

Aptate (v. t.) To make fit.

Aptera (n. pl.) Insects without wings, constituting the seventh Linnaen order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms. These animals are now placed in several distinct classes and orders.

Apteral (a.) Apterous.

Apteral (a.) Without lateral columns; -- applied to buildings which have no series of columns along their sides, but are either prostyle or amphiprostyle, and opposed to peripteral.

Apteran (n.) One of the Aptera.

Apteria (n. pl.) Naked spaces between the feathered areas of birds. See Pteryliae.

Apterous (a.) Destitute of wings; apteral; as, apterous insects.

Apterous (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate.

Apteryges (n. pl.) An order of birds, including the genus Apteryx.

Apteryx (n.) A genus of New Zealand birds about the size of a hen, with only short rudiments of wings, armed with a claw and without a tail; the kiwi. It is allied to the gigantic extinct moas of the same country. Five species are known.

Aptitude (n.) A natural or acquired disposition or capacity for a particular purpose, or tendency to a particular action or effect; as, oil has an aptitude to burn.

Aptitude (n.) A general fitness or suitableness; adaptation.

Aptitude (n.) Readiness in learning; docility; aptness.

Aptitudinal (a.) Suitable; fit.

Aptly (adv.) In an apt or suitable manner; fitly; properly; pertinently; appropriately; readily.

Aptness (n.) Fitness; suitableness; appropriateness; as, the aptness of things to their end.

Aptness (n.) Disposition of the mind; propensity; as, the aptness of men to follow example.

Aptness (n.) Quickness of apprehension; readiness in learning; docility; as, an aptness to learn is more observable in some children than in others.

Aptness (n.) Proneness; tendency; as, the aptness of iron to rust.

Aptote (n.) A noun which has no distinction of cases; an indeclinable noun.

Aptotic (a.) Pertaining to, or characterized by, aptotes; uninflected; as, aptotic languages.

Aptychus (n.) A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.

Apus (n.) A genus of fresh-water phyllopod crustaceans. See Phyllopod.

Apyretic (a.) Without fever; -- applied to days when there is an intermission of fever.

Apyrexia (n.) Alt. of Apyrexy

Apyrexy (n.) The absence or intermission of fever.

Apyrexial (a.) Relating to apyrexy.

Apyrous (a.) Incombustible; capable of sustaining a strong heat without alteration of form or properties.

Aqua (n.) Water; -- a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.

Aqua fortis () Nitric acid.

Aquamarine (n.) A transparent, pale green variety of beryl, used as a gem. See Beryl.

Aquapuncture (n.) The introduction of water subcutaneously for the relief of pain.

Aquarelle (n.) A design or painting in thin transparent water colors; also, the mode of painting in such colors.

Aquarellist (n.) A painter in thin transparent water colors.

Aquarial (a.) Alt. of Aquarian

[previous page] [Index] [next page]