<HEAD><TITLE>DICTIONARY: atomic energy - atrament</TITLE></HEAD>
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<A NAME="atomicenergy">
<B>atomic energy,</B><DL COMPACT><DD> the energy that exists in atoms; nuclear energy. Some atoms can be made to release some of their energy, either under control (in a reactor) or uncontrolled (in a bomb). Atomic energy is generated through alteration of the nucleus of an atom and is derived chiefly from fission (splitting of heavy nuclei) or sometimes from fusion (combining of light nuclei). <BR> <I>Ex. On Aug. 6, 1945, atomic energy literally burst upon the consciousness of the world (Lewis L. Strauss).</I> </DL>
<A NAME="atomicengine">
<B>atomic engine,</B><DL COMPACT><DD><B> 1. </B>an engine operated by atomic energy. <DD><B> 2. </B>a device for producing atomic energy; reactor. </DL>
<A NAME="atomicera">
<B>atomic era,</B> <B>=atomic age.</B></DL>
<A NAME="atomicfurnace">
<B>atomic furnace,</B><DL COMPACT><DD> a reactor that provides heat for the generation of steam by which turbines or other engines may be run. </DL>
<B>atomicity, </B>noun.<DL COMPACT><DD><B> 1. </B>(Chemistry.) <DD><B> a. </B>the number of atoms contained in one molecule of an element. <DD><B> b. </B>valence. <DD><B> c. </B>the number of atoms or radicals which can be replaced in the molecule of a compound. <DD><B> 2. </B>atomic state or condition. </DL>
<A NAME="atomicmass">
<B>atomic mass,</B><DL COMPACT><DD> the mass of an atom, as expressed on a scale in which the mass of the most abundant isotope of carbon is placed at 12; physical atomic weight. </DL>
<A NAME="atomicmassunit">
<B>atomic mass unit,</B><DL COMPACT><DD> the unit for expressing atomic mass, equal to approximately 1.66 X (10 to the power of minus 24) grams. (Abbr:) amu (no periods). </DL>
<A NAME="atomicnumber">
<B>atomic number,</B><DL COMPACT><DD> the number of protons carried by the nucleus of an atom of a chemical element. The atomic number is used in describing the element and giving its relation to other elements in a series. Atomic numbers range from 1 (hydrogen) to 106 and predicted to at least 110. <BR> <I>Ex. The atomicnumber of uranium is 92.</I> <DL COMPACT><DD> (Abbr:) at. no. </DL>
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<A NAME="atomicphysics">
<B>atomic physics,</B><DL COMPACT><DD> the study of atoms and their physical properties, structure, energy, and other physical features. </DL>
<A NAME="atomicpile">
<B>atomic pile,</B> <B>=reactor.</B></DL>
<A NAME="atomicpower">
<B>atomic power,</B><DL COMPACT><DD> power, especially electric power, produced by atomic energy. </DL>
<A NAME="atomicpowerreactor">
<B>atomic power reactor,</B> <B>=reactor.</B></DL>
<A NAME="atomicreactor">
<B>atomic reactor,</B> <B>=reactor.</B></DL>
<A NAME="atomics">
<B>atomics, </B>noun.<DL COMPACT><DD> atomic physics, especially in technical application. </DL>
<A NAME="atomicstructure">
<B>atomic structure,</B><DL COMPACT><DD> the physical description of an atom, derived theoretically, but taken as a basic working hypothesis in modern physics. </DL>
<A NAME="atomicsubmarine">
<B>atomic submarine,</B><DL COMPACT><DD> a submarine driven by atomic power, capable of remaining under water for long periods of time. </DL>
<A NAME="atomictheory">
<B>atomic theory,</B><DL COMPACT><DD> the theory that all matter is composed of atoms, especially the modern theory that an atom is made up of a nucleus around which electrons revolve. </DL>
<A NAME="atomictime">
<B>atomic time,</B><DL COMPACT><DD> time as measured by an atomic clock. <BR> <I>Ex. An atomic time standard ... would define the second in [terms of] the number of energy waves given off by an atom of cesium (Wall Street Journal).</I> </DL>
<A NAME="atomicwarfare">
<B>atomic warfare,</B><DL COMPACT><DD> warfare using atomic weapons. </DL>
<A NAME="atomicwarhead">
<B>atomic warhead,</B><DL COMPACT><DD> the warhead of an atomic weapon. </DL>
<A NAME="atomicweapon">
<B>atomic weapon,</B><DL COMPACT><DD> any weapon utilizing nuclear fission or fusion as its destructive force. </DL>
<A NAME="atomicweight">
<B>atomic weight,</B><DL COMPACT><DD> the relative weight of an atom of a chemical element, based on the weight of an atom of carbon, which is taken as 12. Formerly, atomic weights were based on the weight of an atom of oxygen, which was taken as 16. <BR> <I>Ex. The atomic weight of hydrogen is 1.00797, of uranium 238.03.</I> <DL COMPACT><DD> (Abbr:) at. wt. </DL>
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<A NAME="atomism">
<B>atomism, </B>noun.<DL COMPACT><DD> philosophical doctrine that the universe is composed of minute, separate, and indivisible particles. n., adj. <B>atomist.</B> </DL>
<B>atomize, </B>transitive verb, <B>-ized,</B> <B>-izing.</B><DL COMPACT><DD><B> 1. </B>to change (a liquid) into a spray of very small drops. <DD><B> 2a. </B>to separate into atoms. <DD><B> b. </B>(Figurative.) to reduce (anything) to small particles or units; fragmentize. <BR> <I>Ex. The antitrust route is one seeking to so atomize the steel industry that harsh competition would keep prices down (Wall Street Journal).</I> <DD><B> 3. </B>to obliterate (anything) by an atomic explosion. <BR> <I>Ex. to atomize a city.</I> noun <B>atomization.</B> </DL>
<A NAME="atomizer">
<B>atomizer, </B>noun.<DL COMPACT><DD> an apparatus used to blow a liquid in a spray of very small drops. <BR> <I>Ex. an atomizer for perfume.</I> </DL>
<A NAME="atomsmasher">
<B>atom smasher,</B><DL COMPACT><DD> (Informal.) a cyclotron or other particle accelerator. <BR> <I>Ex. The atom smasher will fire high energy proton bullets at nuclear targets to explore the fundamental nature of energy and matter (Wall Street Journal).</I> </DL>
<A NAME="atomsmashing">
<B>atom smashing,</B><DL COMPACT><DD> (Informal.) the acceleration and bombardment ofcharged particles in a cyclotron or other particle accelerator. </DL>
<A NAME="atomy">
<B>atomy</B> (1), noun, pl. <B>-mies.</B><DL COMPACT><DD><B> 1. </B>(Archaic.) a very small thing; atom. <DD><B> 2. </B>(Archaic or Poetic.) a tiny being; pygmy. </DL>
<A NAME="atomy">
<B>atomy</B> (2), noun, pl. <B>-mies.</B><DL COMPACT><DD> (Archaic.) a skeleton. </DL>
<A NAME="aton">
<B>Aton, </B>noun.<DL COMPACT><DD> an ancient Egyptian sun god worshiped at Thebes. The Aton is usually represented as a solar disk whose rays end in hands. </DL>
<A NAME="atonal">
<B>atonal, </B>adjective.<DL COMPACT><DD> (Music.) having no key; characterized by atonality. adv. <B>atonally.</B> </DL>
<B>atonalistic, </B>adjective.<DL COMPACT><DD> (Music.) characterized by atonalism. </DL>
<A NAME="atonality">
<B>atonality, </B>noun.<DL COMPACT><DD> (Music.) lack of tonality; absence of relationship between tones or chords and any central keynote. </DL>
<A NAME="atone">
<B>atone, </B>verb, <B>atoned,</B> <B>atoning.</B><DL COMPACT><DD><I>v.i. </I> <B>1. </B>to make up; make amends (for). <BR> <I>Ex. He atoned for his unkindness to his sister by taking her to the movies. Nothing can atone for a murder.</I> <DD><B> 2. </B>to harmonize. <BR> <I>Ex. to atone our ideas with our perceptions.</I> <DD><I>v.t. </I> <B>1. </B>to make amends for; expiate. <BR> <I>Ex. He atoned his sin by repenting and asking God's forgiveness.</I> <DD><B> 2. </B>(Archaic.) to conciliate; propitiate. <BR> <I>Ex. So heaven, atoned, shall dying Greece restore (Alexander Pope).</I> <DD><B> 3. </B>(Obsolete.) to bring into unity. adj. <B>atonable.</B> noun <B>atoner.</B> </DL>
<A NAME="atonement">
<B>atonement, </B>noun.<DL COMPACT><DD><B> 1. </B>the act or fact of making up for something; giving satisfaction for a wrong, loss, or injury; amends. (SYN) expiation, reparation. <DD><B> 2. </B>(Archaic.) reconciliation; harmony. <DD><B> 3. </B>Yom Kippur; Day of Atonement. <BR><I>expr. <B>the Atonement</B> or <B>atonement,</B> </I>the reconciliation of God with sinners through the sufferings and death of Christ. <BR> <I>Ex. ... through our Lord Jesus Christ, by whom we have now received the atonement (Romans 5:11).</I> </DL>
<B>atonic, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>(Grammar, Prosody.) unaccented. <DD><B> 2. </B>(Phonetics.) without voice; voiceless; surd. <DD><B> 3. </B>lacking muscular or nervous tone. <DD><I>noun </I> <B>1. </B>(Grammar, Prosody.) an unaccented syllable or word. <DD><B> 2. </B>(Phonetics.) a voiceless consonant; surd. </DL>
<A NAME="atony">
<B>atony, </B>noun.<DL COMPACT><DD><B> 1. </B>(Medicine.) lack of tone; muscular weakness, especially in a contractile organ; enervation; debility. <DD><B> 2. </B>(Phonetics.) lack of stress. </DL>
<A NAME="atop">
<B>atop, </B>preposition, adverb.<DL COMPACT><DD><I>prep. </I> on the top of. <BR> <I>Ex. He had a hat atop his head.</I> <DD><I>adv. </I> on the top; at the top. </DL>
<B>atrabilious, </B>adjective.<DL COMPACT><DD><B> 1. </B>melancholy; gloomy; depressed. <DD><B> 2. </B>bad-tempered. <BR> <I>Ex. His name ... soon became a synonym for the atrabilious type of crusader who seems perpetually to be throwing a tantrum (Time).</I> noun <B>atrabiliousness.</B> </DL>
