Atom
['ætəm]
Definition
(noun.) (nontechnical usage) a tiny piece of anything.
(noun.) (physics and chemistry) the smallest component of an element having the chemical properties of the element.
Typist: Marcus--From WordNet
Definition
(n.) An ultimate indivisible particle of matter.
(n.) An ultimate particle of matter not necessarily indivisible; a molecule.
(n.) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles.
(n.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.
(n.) Anything extremely small; a particle; a whit.
(v. t.) To reduce to atoms.
Checker: Pamela
Synonyms and Synonymous
n. [1]. Molecule, monad, ultimate particle (of any element), indivisible particle.[2]. Corpuscle, scrap, mite, bit, grain, jot, iota, tittle, whit, ace, scintilla.
Checker: Roy
Synonyms and Antonyms
SYN:Molecule, particle, mote, speck, scrap, bit
ANT:Mass, whole, aggregate, lump
Inputed by Cole
Definition
n. a particle of matter so small that it cannot be cut or divided the unit of matter; anything very small.—adjs. Atom′ic -al pertaining to atoms.—ns. Atomic′ity; Atomisā′tion (med.) the reduction of liquids to the form of spray; At′omism the doctrine that atoms arranged themselves into the universe: the atomic theory; At′omist one who believes in atomism.—adj. Atomis′tic.—adv. Atomist′ically.—n. At′omy an atom or mote: (Shak.) a pygmy.—Atomic philosophy a system of philosophy enunciated by Democritus which taught that the ultimate constituents of all things are indivisible particles differing in form and in their relations to each other; Atomic theory the hypothesis that all chemical combinations take place between the ultimate particles of bodies uniting each atom to atom or in proportions expressed by some simple multiple of the number of atoms.
Edited by Clio
Examples
- Let it suffice h ere to state that Rutherford assumes that the greater mass of the atom consis ts o f negatively charged particles rotating about a positive nucle us. Walter Libby. An Introduction to the History of Science.
- The atom, to be sure, can no longer be consider ed the smallest unit of matter, as the mass of a β particle is approximately one seventeen-hundredths that of an atom of hydrogen. Walter Libby. An Introduction to the History of Science.
- I had a belief she loved me even when she left me: that was an atom of sweet in much bitter. Charlotte Bronte. Jane Eyre.
- Two atoms of the element hydrogen unite with one atom of the element oxygen to make one molecule of water. Bertha M. Clark. General Science.
- He drew diagrams combining an a tom of oxygen with an atom of nitrogen and an atom of aqueous vapor. Walter Libby. An Introduction to the History of Science.
- Thomson and his school were studying the constitution of the atom from another standpoint but with somewhat similar results. Walter Libby. An Introduction to the History of Science.
- If you were anybody else but Franklin Blake, and if this matter was one atom less serious than it really is, I should refuse point-blank. Wilkie Collins. The Moonstone.
- I claim as mine the lost atom of life. Charlotte Bronte. Shirley.
- Every atom of your flesh is as dear to me as my own: in pain and sickness it would still be dear. Charlotte Bronte. Jane Eyre.
- An atom is the smallest division of anything that we know about now. Various. The Wonder Book of Knowledge.
- He made a diagram in which one atom of oxygen was combined with one atom of nitrogen, but in this case the oxygen was insufficient to satisfy all the nitrogen of the atmosphere. Walter Libby. An Introduction to the History of Science.
- Determined not to throw away one atom of my Esther's worth, I took Mrs. Woodcourt into a separate confidence. Charles Dickens. Bleak House.
- Thomson as to the arrangement of corpuscles within the atom. Walter Libby. An Introduction to the History of Science.
- For example, the molecule of water has two different atoms, the oxygen atom and the hydrogen atoms; alcohol has three different kinds of atoms, oxygen, hydrogen, and carbon. Bertha M. Clark. General Science.
- When the two volumes combine with one, the combina tion does not take place, as Dalton had supposed, atom for atom, but each half-mol ecule of oxygen combines with one molecule of hydrogen. Walter Libby. An Introduction to the History of Science.
- And yet molecules are made up of even smaller particles, called atoms. Various. The Wonder Book of Knowledge.
- The Christian writer Lactantius asked shrewdly whence atoms came, and what proof there was of their existence. Walter Libby. An Introduction to the History of Science.
- Now Dalton's master had taught that the atoms of matter in a gas (elastic fluid) repel one another by a force increasing in proport ion as their distance diminishes. Walter Libby. An Introduction to the History of Science.
- He was like a flask that is smashed to atoms, he seemed to himself that he was all fragments, smashed to bits. D. H. Lawrence. Women in Love .
- According t o Avogadro the water vapor contains twice as many atoms of hydrogen as of oxygen. Walter Libby. An Introduction to the History of Science.
- Two atoms of the element hydrogen unite with one atom of the element oxygen to make one molecule of water. Bertha M. Clark. General Science.
- The invisible real world of atoms and corpuscles has its beginning in the reason, the word. Walter Libby. An Introduction to the History of Science.
- Freezing water into ice is caused by making the molecules, and, in turn, the atoms, stick to each other. Various. The Wonder Book of Knowledge.
- A molecule of water is made up of three atoms. Various. The Wonder Book of Knowledge.
- Evaporation of water consists of the movement of these atoms in such a way as to make the liquid water change into a gas. Various. The Wonder Book of Knowledge.
- Chemical composition takes place between atoms the charge s of which are of opposite sign, and valency depends on the number of unit charges of electricity. Walter Libby. An Introduction to the History of Science.
- It is probable that his imagination was of the visualizing type and that he could picture to himself the arrangement of atoms in el ementary and compound substances. Walter Libby. An Introduction to the History of Science.
- The question asked and answered by Dalton was, what is the relative weight of the atoms composing the elementary bodies? William Henry Doolittle. Inventions in the Century.
- For Democritus indivisible particles or atoms are fundamental to all phenomena. Walter Libby. An Introduction to the History of Science.
- For example, the molecule of water has two different atoms, the oxygen atom and the hydrogen atoms; alcohol has three different kinds of atoms, oxygen, hydrogen, and carbon. Bertha M. Clark. General Science.
Typed by Gladys