The natural family of fish including the sturgeons.

Operative surgery.

Artillery designed to shoot upward at airplanes; antiaircraft artillery.

red pear-shaped tropical fruit with poisonous seeds; its flesh is poisonous when unripe or overripe.

To recognize.

To own or admit the knowledge of; to recognize as a fact or truth; to declare one's belief in; as, to acknowledge the being of a God.

Capable of being acknowledged.

Generally accepted or recognized as correct or reasonable. Opposite of unacknowledged.

Confessedly.

The act of acknowledging; admission; avowal; owning; confession.

One who acknowledges.

Without inclination or dipping; -- said of the imaginary line near the earth's equator on which the magnetic needle balances itself horizontally, having no dip. The aclinic line is also termed the magnetic equator.

The top or highest point; the culmination.

Inflammation of the sebaceous glands that are associated with hair follicles, leading to visible comedones and pimples, especially on the face, back, and chest.

Pertaining to acnodes.

An isolated point not upon a curve, but whose co/rdinates satisfy the equation of the curve so that it is considered as belonging to the curve.

same as Akocanthera.

In a cocked or turned up fashion.

Hanging at the cathead, ready to let go, as an anchor. Topped up; having one yardarm higher than the other.

small genus of trees and shrubs containing strongly toxic cardiac glycosides; distributed from Arabia to Africa.

Cold.

Pertaining to acology.

Materia medica; the science of remedies.

See Acolythist.

An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.

Same as Acolyte.

An acolyte.

Being without joints; jointless.

Of the nature of aconite.

The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous.

Same as Aconitine.

Of or pertaining to aconite.

An intensely poisonous alkaloid, extracted from aconite.

The poisonous herb aconite; also, an extract from it.

Threadlike defensive organs, composed largely of nettling cells (cnid/), thrown out of the mouth or special pores of certain Actini/ when irritated.

Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the lizards.

Relieving weariness; restorative.

The fruit of the oak, being an oval nut growing in a woody cup or cupule.

One of the sessile cirripeds; a barnacle of the genus Balanus. See Barnacle.

Furnished or loaded with acorns.

A denial of the existence of the universe as distinct from God.

One who denies the existence of the universe, or of a universe as distinct from God.

A plant which has no cotyledons, as the dodder and all flowerless plants.

Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.

A small species of agouti (Dasyprocta acouchy).

An instrument for measuring the acuteness of the sense of hearing.

The measuring of the power or extent of hearing.

A medicine or agent to assist hearing.

Of or pertaining to acoustics.

In relation to sound or to hearing.

One versed in acoustics.

The science of sounds, teaching their nature, phenomena, and laws.

To furnish or give experimental knowledge of; to make (one) to know; to make familiar; -- followed by with.

Easy to be acquainted with; affable.

A state of being acquainted, or of having intimate, or more than slight or superficial, knowledge; personal knowledge gained by intercourse short of that of friendship or intimacy; as, I know the man; but have no acquaintance with him.

A state of being acquainted; acquaintance.

An acquaintance.

Personally known; familiar. See To be acquainted with, under Acquaint, v. t.

State of being acquainted; degree of acquaintance.

To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object; -- followed by in, formerly also by with and to.

Resting satisfied or submissive; disposed tacitly to submit; assentive; as, an acquiescent policy.

In an acquiescent manner.

To quiet.

The quality of being acquirable; attainableness.

Capable of being acquired.

To gain, usually by one's own exertions; to get as one's own; as, to acquire a title, riches, knowledge, skill, good or bad habits.

gotten through environmental forces. Contrasted with inherited.

The act of acquiring, or that which is acquired; attainment.

A person who acquires.

Acquirement.

Acquired.

The act or process of acquiring.

Acquired.

In the way of acquisition.

The quality of being acquisitive; propensity to acquire property; desire of possession.

One who acquires.

Acquisition; gain.

To discharge, as a claim or debt; to clear off; to pay off; to requite.

Acquittal.

The act of acquitting; discharge from debt or obligation; acquittance.

To acquit.

One who acquits or releases.

Partial or total absence of the skull.

Wanting a skull.

A group of acalephs, including most of the larger jellyfishes; the Discophora.

Excess; intemperance.

Any field of arable or pasture land.

Of an acre; per acre; as, the acreable produce.

Acres collectively; as, the acreage of a farm or a country.

Possessing acres or landed property; -- used in composition; as, large-acred men.

Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts.

In an acid manner.

The quality of being acrid or pungent; irritant bitterness; extreme bitterness; acrimony; as, the acridity of a plant, of a speech.

a genus of birds comprising the mynas.

a strong soft crease-resistant fabric.

Acrid; corrosive; as, acrimonious gall.

In an acrimonious manner.

The quality of being acrimonious; asperity; acrimony.

A quality of bodies which corrodes or destroys others; also, a harsh or biting sharpness; as, the acrimony of the juices of certain plants.

Inability to judge.

The lowest groups of animals, in which no nervous system has been observed.

Of or pertaining to the Acrita. An individual of the Acrita.

Acritan.

Having no crisis; giving no indications of a crisis; as, acritical symptoms, an acritical abscess.

Color blindness; achromatopsy.

Acridity; pungency joined with heat.

Sharpness; keenness.

Communicated orally; oral; -- applied to the esoteric teachings of Aristotle, those intended for his genuine disciples, in distinction from his exoteric doctrines, which were adapted to outsiders or the public generally. Hence: Abstruse; profound.

Same as Acroamatic.

One who practices rope dancing, high vaulting, or other daring gymnastic feats.

a genus of mammals.

Pertaining to an acrobat.

Feats of the acrobat; daring gymnastic feats; high vaulting.

Having a terminal fructification; having the fruit at the end of the stalk. Having the fruit stalks at the end of a leafy stem, as in certain mosses.

having a subterminal centromere

Characterized by a high skull.

a genus of birds.

Loftiness of skull.

Of or pertaining to the high mountain range of /thunder-smitten/ peaks (now Kimara), between Epirus and Macedonia.

a genus of herbs and shrubs of Australia and Southern Africa, with an everlasting flower; most species are usually placed in genus Helipterum.