{ } a. [ L. anatomicus, Gr. &unr_;: cf. F. anatomique. See Anatomy. ] Of or relating to anatomy or dissection; as, the anatomic art; anatomical observations. Hume. [ 1913 Webster ]

adv. In an anatomical manner; by means of dissection. [ 1913 Webster ]

n. [ Cf. F. anatomisme. ] 1. The application of the principles of anatomy, as in art. [ 1913 Webster ]

The stretched and vivid anatomism of their [ i. e., the French ] great figure painters. The London Spectator. [ 1913 Webster ]

2. The doctrine that the anatomical structure explains all the phenomena of the organism or of animal life. [ 1913 Webster ]

n. [ Cf. F. anatomiste. ] One who is skilled in the art of anatomy, or dissection. [ 1913 Webster ]

n. The act of anatomizing. [ 1913 Webster ]

v. t. [ imp. & p. p. Anatomized p. pr. & vb. n. Anatomizing. ] [ Cf. F. anatomiser. ] 1. To dissect; to cut in pieces, as an animal vegetable body, for the purpose of displaying or examining the structure and use of the several parts. [ 1913 Webster ]

2. To discriminate minutely or carefully; to analyze. [ 1913 Webster ]

If we anatomize all other reasonings of this nature, we shall find that they are founded on the relation of cause and effect. Hume. [ 1913 Webster ]

n. A dissector. [ 1913 Webster ]

n.; pl. Anatomies [ F. anatomie, L. anatomia, Gr. &unr_; dissection, fr. &unr_; to cut up; &unr_; + &unr_; to cut. ] 1. The art of dissecting, or artificially separating the different parts of any organized body, to discover their situation, structure, and economy; dissection. [ 1913 Webster ]

2. The science which treats of the structure of organic bodies; anatomical structure or organization. [ 1913 Webster ]

Let the muscles be well inserted and bound together, according to the knowledge of them which is given us by anatomy. Dryden. [ 1913 Webster ]

☞ “Animal anatomy” is sometimes called zomy; “vegetable anatomy, ” phytotomy; “human anatomy, ” anthropotomy. [ 1913 Webster ]

Comparative anatomy compares the structure of different kinds and classes of animals. [ 1913 Webster ]

3. A treatise or book on anatomy. [ 1913 Webster ]

4. The act of dividing anything, corporeal or intellectual, for the purpose of examining its parts; analysis; as, the anatomy of a discourse. [ 1913 Webster ]

5. A skeleton; anything anatomized or dissected, or which has the appearance of being so. [ 1913 Webster ]

The anatomy of a little child, representing all parts thereof, is accounted a greater rarity than the skeleton of a man in full stature. Fuller. [ 1913 Webster ]

They brought one Pinch, a hungry, lean-faced villain,
A mere anatomy. Shak. [ 1913 Webster ]

n. [ Gr. 'anh`r, 'andro`s, man + &unr_;: cf. F. andranatomie. See Anatomy, Androtomy. ] The dissection of a human body, especially of a male; androtomy. Coxe. [ 1913 Webster ]

n. [ L. atomus, Gr. &unr_;, uncut, indivisible; 'a priv. + &unr_;, verbal adj. of &unr_; to cut: cf. F. atome. See Tome. ] 1. (Physics) (a) An ultimate indivisible particle of matter. (b) An ultimate particle of matter not necessarily indivisible; a molecule. (c) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles. [ 1913 Webster ]

☞ These three definitions correspond to different views of the nature of the ultimate particles of matter. In the case of the last two, the particles are more correctly called molecules. Dana. [ 1913 Webster ]

2. (Chem.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule. [ 1913 Webster ]

3. Anything extremely small; a particle; a whit. [ 1913 Webster ]

There was not an atom of water. Sir J. Ross. [ 1913 Webster ]

v. t. To reduce to atoms. [ Obs. ] Feltham. [ 1913 Webster ]

{ } a. [ Cf. F. atomique. ] 1. Of or pertaining to atoms. [ 1913 Webster ]

2. Extremely minute; tiny. [ 1913 Webster ]

Atomic bomb, see atom bomb in the vocabulary. --
Atomic philosophy, or Doctrine of atoms, a system which, assuming that atoms are endued with gravity and motion, accounted thus for the origin and formation of all things. This philosophy was first broached by Leucippus, was developed by Democritus, and afterward improved by Epicurus, and hence is sometimes denominated the Epicurean philosophy. --
Atomic theory, or the Doctrine of definite proportions (Chem.), teaches that chemical combinations take place between the supposed ultimate particles or atoms of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers. --
Atomic weight (Chem.), the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard. [ 1913 Webster ]

adv. In an atomic manner; in accordance with the atomic philosophy. [ 1913 Webster ]

n. a bomb of great power in which the explosive energy is derived from the nuclear fission of a fissionable material, such as plutonium or uranium-235. It is a type of nuclear weapon. The strength of an atom bomb is measured in kilotons, i.e. the equivalent energy released by explosion of a thousand tons of TNT. The first atomic bomb was manufactured in 1945.
Syn. -- A-bomb, fission bomb. [ PJC ]

n. An atomist. [ R. ] [ 1913 Webster ]

n. Atomism. [ Obs. ] [ 1913 Webster ]

n. [ Cf. F. atomicité. ] (Chem.) Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence. [ 1913 Webster ]

n. 1. separating something into fine particles.
Syn. -- atomization, fragmentation [ WordNet 1.5 ]

2. annihilation by reducing something to atoms.
Syn. -- atomization [ WordNet 1.5 ]

n. 1. a dispenser that turns a liquid (such as perfume) into a fine spray.
Syn. -- atomizer, spray [ WordNet 1.5 ]

n. [ Cf. F. atomisme. ] The doctrine of atoms. See Atomic philosophy, under Atomic. [ 1913 Webster ]

n. [ Cf. F. atomiste. ] One who holds to the atomic philosophy or theory. Locke. [ 1913 Webster ]

a. 1. Of or pertaining to atoms; relating to atomism. [ R. ] [ 1913 Webster ]

It is the object of the mechanical atomistic philosophy to confound synthesis with synartesis. Coleridge. [ 1913 Webster ]

2. divided into separate and often disparate elements; -- the opposite of holistic.
Syn. -- atomistical. [ WordNet 1.5 ]

adj. divided into separate and often disparate elements. holistic
Syn. -- atomistic. [ WordNet 1.5 ]

n. 1. The act of reducing to atoms, or very minute particles; or the state of being so reduced. [ 1913 Webster ]

2. (Med.) The reduction of fluids into fine spray. [ 1913 Webster ]

v. t. To reduce to atoms, or to fine spray. [ 1913 Webster ]

The liquids in the form of spray are said to be pulverized, nebulized, or atomized. Dunglison. [ 1913 Webster ]

n. One who, or that which, atomizes; esp., an instrument for reducing a liquid to spray for disinfecting, cooling, or perfuming. [ 1913 Webster ]

n. [ Atom + -logy. ] The doctrine of atoms. Cudworth. [ 1913 Webster ]

n. An atom; a mite; a pigmy. [ 1913 Webster ]

n. [ For anatomy, taken as an atomy. ] A skeleton. [ Ludicrous ] Shak. [ 1913 Webster ]

n. [ Gr. dia`tomos cut in two. See Diatomous. ] 1. (Bot.) One of the Diatomaceæ, a family of minute unicellular Algæ having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariæ, but this word is not in general use. [ 1913 Webster ]

2. A particle or atom endowed with the vital principle. [ 1913 Webster ]

The individual is nothing. He is no more than the diatom, the bit of protoplasm. Mrs. E. Lynn Linton. [ 1913 Webster ]

a. [ See Diatomous. ] consisting of or containing diatoms or their fossils; as, diatomaceous earth (used as a component of dynamite). [ PJC ]

(Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called infusorial earth, kieselguhr, and diatomite. It is used in polishing powder, and in the manufacture of dynamite. [ 1913 Webster +PJC ]

a. [ Pref. di- + atomic. ] (Chem.) (a) Containing two atoms. (b) Having two replaceable atoms or radicals. [ 1913 Webster ]

n. a class of marine and freshwater eukaryotic algae comprising the diatoms.
Syn. -- Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae. [ WordNet 1.5 ]

a. [ Gr. dia`tomos cut through, fr. diate`mnein to cut through; dia` through + te`mnein to cut. Cf. Diatom. ] (Min.) Having a single, distinct, diagonal cleavage; -- said of crystals. Mohs. [ 1913 Webster ]

n. [ Dilate + -meter. ] (Physiol.) An instrument for measuring the dilatation or expansion of a substance, especially of a fluid. [ 1913 Webster ]

n. [ Haemato- + -meter. ] (Physiol.) (a) Same as Hemadynamometer. (b) An instrument for determining the number of blood corpuscles in a given quantity of blood. [ 1913 Webster ]

n. [ L. hecatombe, Gr. &unr_;; &unr_; hundred + &unr_; ox: cf. F. hécatombe. ] (Antiq.) A sacrifice of a hundred oxen or cattle at the same time; hence, the sacrifice or slaughter of any large number of victims. [ 1913 Webster ]

Slaughtered hecatombs around them bleed. Addison. [ 1913 Webster ]

More than a human hecatomb. Byron. [ 1913 Webster ]

n. [ Gr. &unr_; hundred feet long, &unr_; &unr_; the Parthenon; &unr_; hundred + &unr_; foot. ] (Arch.) A name given to the old Parthenon at Athens, because measuring 100 Greek feet, probably in the width across the stylobate. [ 1913 Webster ]

‖n. [ NL. See Hema-, and -oma. ] (Med.) A localised leakage of blood from the blood vessels into nearby tissues, usually confined within a tissue or organ; especially, a local swelling produced by an effusion of blood beneath the skin, which may clot and discolor the affected area. [ 1913 Webster ]

a. [ Hex- + atomic. ] (Chem.) (a) Having six atoms in the molecule. [ R. ] (b) Having six replaceable radicals. [ 1913 Webster ]

a. (Chem. & Physics) Between atoms; situated, or acting, between the atoms of bodies; as, interatomic forces. [ 1913 Webster ]

n. [ Gr. ke`ras, horn + &unr_; to cut. ] (Surg.) An instrument for dividing the cornea in operations for cataract. [ 1913 Webster ]

adv. [ Mon- + atomic. ] (Chem.) (a) Consisting of, or containing, one atom; as, the molecule of mercury is monatomic. (b) Having the equivalence or replacing power of an atom of hydrogen; univalent; as, the methyl radical is monatomic. [ 1913 Webster ]

a. [ Penta- + atomic. ] (Chem.) (a) Having five atoms in the molecule. (b) Having five hydrogen atoms capable of substitution. [ 1913 Webster ]

n. [ Gr. &unr_; flat + -meter. ] See Planimeter. [ 1913 Webster ]

n. [ Pneumato- + -meter. ] (Physiol.) An instrument for measuring the amount of force exerted by the lungs in respiration. [ 1913 Webster ]

n. See Spirometry. [ 1913 Webster ]

a. [ Poly- + atomic. ] (Chem.) (a) Having more than one atom in the molecule; consisting of several atoms. (b) Having a valence greater than one. [ Obs. ] [ 1913 Webster ]

n. [ Gr. sw^ma, body + te`mnein to cut. ] (Anat. & Zool.) See Somite. [ 1913 Webster ]