Dictionary: A-CID'U-LA-TING – A'CORN

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A-CID'U-LA-TING, ppr.

Tinging with an acid.

AC'ID-ULE, or A-CID'U-LUM, n.

In chimistry, a salt, in which the acid is in excess; as, tartaric acidulum, oxalic acidulum.

A-CID'U-LOUS, a. [L. acidulus. See Acid.]

Slightly sour; sub-acid; as, acidulous sulphate.

A-CI-NAC'I-FORM, a. [L. ăcinăces, a cimeter, Gr. ακινακης, and L. forma, form.]

In botany, formed like, or resembling a cimeter. – Martyn.

A-CIN'I-FORM, a. [L. acinus, a grape stone, and forma, shape.]

Having the form of grapes; being in clusters like grapes. The uvea or posterior lamena of the iris in the eye, is called the aciniform tunic. Anatomists apply the term to many glands of a similar formation. – Quincy. Hooper.

AC'IN-OSE, or AC'IN-OUS, a. [From L. acinus. See Aciniform.]

Consisting of minute granular concretions; used in mineralogy. – Kirwan.

AC'IN-US, n. [L.]

In botany, one of the small grains which compose the fruit of the blackberry, &c.

AC'I-PENS-ER, a.

In ichthyology, a genus of fishes of the order of Chondropterygii, having an obtuse head; the mouth under the head, retractile and without teeth. To this genus belong the sturgeon, sterlet, huso, &c. – Cyc.

A-CIT'LI, n.

A name of the water hare, or great crested grebe or diver. – Dict. of Nat. Hist.

AC-KNOWL'EDGE, v.t. [aknol'edge; ad and knowledge. See Know.]

  1. To own, avow or admit to be true, by a declaration of assent; as, to acknowledge the being of a God.
  2. To own or notice with particular regard. In all thy ways acknowledge God. – Prov. iii. Isa. xxxiii.
  3. To own or confess, as implying a consciousness of guilt. I acknowledge my transgressions, and my sin is ever before me. – Ps. li. and xxxii.
  4. To own with assent, to admit or receive with approbation. He that acknowledgeth the son, hath the father also. – 1 John ii. 2 Tim. ii.
  5. To own with gratitude; to own as a benefit; as, to acknowledge a favor, or the receipt of a gift. They his gifts acknowledged not. – Milton.
  6. To own or admit to belong to; as, to acknowledge a son.
  7. To receive with respect. All that see them shall acknowledge that they are the seed which the Lord hath blessed. – Isa. vi. 1 Cor. xvi.
  8. To own, avow or assent to an act in a legal form, to give it validity; as, to acknowledge a deed before competent authority.

AC-KNOWL'EDG-ED, pp.

Owned; confessed; noticed with regard or gratitude; received with approbation; owned before authority.

AC-KNOWL'EDG-ING, ppr.

Owning; confessing; approving; grateful: but the latter sense is a Gallicism, not to be used.

AC-KNOWL'EDG-MENT, n.

  1. The act of owning; confession; as, the acknowledgment of a fault.
  2. The owning, with approbation, or in the true character; as, the acknowledgment of a God, or of a public minister.
  3. Concession; admission of the truth; as, of a fact, position, or principle.
  4. The owning of a benefit received, accompanied with gratitude; and hence it combines the idea of an expression of thanks. Hence, it is used also for something given or done in return for a favor.
  5. A declaration or avowal of one's own act, to give it legal validity; as, the acknowledgment of a deed before a proper officer. Acknowledgment-money, in some parts of England, is a sum paid by tenants, on the death of their landlords, as an acknowledgment of their new lords. – Encyc.

A-CLIDE', n. [L.]

A missive weapon used by the Roman soldiery; a sharp javelin, with a thong fixed to it, for drawing it back, when thrown. – Elmes.

AC'ME, n. [ac'my; Gr. αλμη.]

The top or highest point. It is used to denote the maturity or perfection of an animal. Among physicians, the crisis of a disease, or its utmost violence. Old medical writers divided the progress of a disease into four periods; the arche, or beginning, the anabasis, or increase, the acme, or utmost violence, and the paracme, or decline. But acme can hardly be considered as a legitimate English word.

AC'NE, n. [ac'ny; Gr.]

A small hard pimple or tubercle on the face. – Quincy.

AC-NES'TIS, n. [Gr. α privative and κναω, to rub or gnaw.]

That part of the spine in quadrupeds which extends from the metaphrenon, between the shoulder blades, to the loins; which the animal can not reach to scratch. – Coxe. Quincy.

AC'O, n.

A Mediterranean fish, called also Sarachus.

AC'O-LIN, n.

A bird of the partridge kind in Cuba. Its breast and belly are white; its back and tail of a dusky yellow brown. – Dict. of Nat. Hist.

A-COL'O-GY, n. [Gr. ακος and λογος.]

The doctrine of remedies, or the materia medica.

A-COL'O-THIST, or AC'O-LYTE, n. [Gr. ακολουθεω.]

In the ancient Church, one of the subordinate officers, who lighted the lamps, prepared the elements of the sacraments, attended the bishops, &c. An officer of the like character is still employed in the Romish Church. – Encyc.

AC'ON-ITE, n. [L. aconitum; Gr. ακοντον.]

The herb wolf's bane, or monks-hood, a poisonous plant; and in poetry, used for poison in general.

A-CON'TI-AS, n. [Gr. ακοντιας; ακοντιον, a dart, from ακων.]

  1. A species of serpent, called dart-snake, or jaculum, from its manner of darting on its prey. This serpent is about three feet in length; of a light gray color with black spots resembling eyes; the belly perfectly white. It is a native of Africa and the Mediterranean isles; is the swiftest of its kind, and coils itself upon a tree, from which it darts upon its prey.
  2. A comet or meteor resembling the serpent.

A-COP', adv. [a and cope.]

At the top. [Obs.] – Jonson.

A'CORN, n. [Sax. æcern, from æc or ac, oak, and corn, a grain.]

  1. The seed or fruit of the oak; an oval nut which grows in a rough permanent cup. The first settlers of Boston were reduced to the necessity of feeding on clams, muscles, ground nuts, and acorns. – B. Trumbull.
  2. In marine language, a small ornamental piece of wood, of a conical shape, fixed on the point of the spindle above the vane, on the mast head, to keep the vane from being blown off. – Mar. Dict.
  3. In natural history, the Lepas, a genus of shells of several species found on the British coast. The shell is multivalvular, unequal, and fixed by a stem; the valves are parallel and perpendicular, but they do not open, so that the animal performs its functions by an aperture on the top. These shells are always fixed to some solid body.