atom

(Learning Modules / Chemistry / Polymers) The simplest unit which defines a particular element. Atoms are made up of protons, an equal number of electrons, and neutrons. Different atoms differ in their number of protons and electrons.

Atom

==Etymology== The name atom comes from the Greek ἄτομος (atomos, `indivisible`) from ἀ- (a-, `not`) and τέμνω (temnō, `I cut`), which means uncuttable, or indivisible, something that cannot be divided further. ==History of atomic theory== ===Atoms in philosophy=== The idea that matter is made up of discrete units is a very old...
Found on http://en.wikipedia.org/wiki/Atom

atom

Compare with molecule and ion. An atom is the smallest particle of an element that retains the chemical properties of the element. Atoms are electrically neutral, with a positively charged nucleus that binds one or more electrons in motion around it.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/a.shtml

Atom

the smallest particle of an element that can enter into a chemical reaction.
Found on http://www.encyclo.co.uk/local/21808

atom

The smallest particle that retains all the chemical properties of a given element.
Found on http://www.encyclo.co.uk/local/22291

Atom

• (n.) Anything extremely small; a particle; a whit. • (v. t.) To reduce to atoms. • (n.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule. • (n.) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles. • (n.) An ultima...
Found on http://thinkexist.com/dictionary/meaning/atom/

atom

<chemistry, physics, radiobiology> A particle of matter indivisible by chemical means. It is the fundamental building block of the chemical elements. ... The elements, such as iron, lead and sulphur, differ from each other because they contain different kinds of atoms. There are about six sextillion (6 followed by 21 zeros or 6 x 1021) atoms ...
Found on http://www.encyclo.co.uk/local/20973

atom

(at´әm) the smallest particle of an element that has all the properties of the element. adj., atom´ic., adj. There are two main parts of an atom: the nucleus and the electron cloud. The nucleus is made up of protons, which carry a positive electrical charge, and (except in hydrogen) neutrons, which contain one ...
Found on http://www.encyclo.co.uk/local/21001

atom

mote noun (nontechnical usage) a tiny piece of anything
Found on https://www.encyclo.co.uk/local/20974

atom

noun (physics and chemistry) the smallest component of an element having the chemical properties of the element
Found on https://www.encyclo.co.uk/local/20974

atom

Click images to enlargeSmallest unit of matter that can take part in a chemical reaction, and which cannot be broken down chemically into anything simpler. An atom is made up of protons and neutrons in a central nucleus (except for hydrogen, which has a single proton as its nucleus) surrounded by electrons (see atomic str...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0010216.html

Atom

[Al Pratt] Al Pratt is a character in the DC Comics Universe, the original hero to fight crime as the Atom. He first appeared in All-American Comics #19 (Oct. 1940). He initially had no superpowers; instead, he was a diminutive college student and later a physicist, usually depicted as a `tough-guy` character. ==Etymology and origins== The ...
Found on http://en.wikipedia.org/wiki/Atom_(Al_Pratt)

Atom

[game] Atom is a home computer game published by Tandy in 1983 for the TRS-80. The game educates the player about the first few elements of the periodic table (Hydrogen through Xenon). ==Gameplay== The player takes command of a ship (presumably a graviton) on an x axis plane to collect and shoot electrons at a spinning atom to obtain a new ...
Found on http://en.wikipedia.org/wiki/Atom_(game)

ATOM

[IFV] The ATOM is a heavy 8×8 infantry fighting vehicle (IFV) jointly developed by the Russian company Petrel (a division of Uralvagonzavod) and the French company Renault Trucks. The vehicle is established on the basis of the French Véhicule blindé de combat d`infanterie (VBCI) IFV which is produced by Renault. The prototype of the ATOM...
Found on http://en.wikipedia.org/wiki/ATOM_(IFV)

Atom

[logic] Archives • Read more... ...
Found on http://en.wikipedia.org/wiki/Atom_(logic)

Atom

[order theory] In the mathematical field of order theory, an element a of a partially ordered set with least element 0 is an atom if 0 < a and there is no x such that 0 < x < a. Equivalently, one may define an atom to be an element that is minimal among the non-zero elements, or alternatively an element that covers the least element 0. ==At...
Found on http://en.wikipedia.org/wiki/Atom_(order_theory)

Atom

[Ryan Choi] ==Fictional character biography== Ryan Choi, as described by DC solicitations, is `a young hotshot professor who`s filling the extra spot on Ivy University`s teaching staff. .. and who inadvertently ends up filling the old Atom`s super-heroic shoes`. This new Atom is based on a redesign by Grant Morrison. He debuted in the Brave...
Found on http://en.wikipedia.org/wiki/Atom_(Ryan_Choi)

Atom

[system on chip] In 2012, Intel expanded the Atom processor family with a new system on chip (SoC) platform designed for smartphones and tablets. It is a continuation of the partnership announced by Intel and Google on 13 September 2011, to provide support for the Android operating system on Intel x86 processors. Atom competes with existing...
Found on http://en.wikipedia.org/wiki/Atom_(system_on_chip)

Atom

[text editor] Atom is a free open-source text and source code editor for Mac OS X, GNU/Linux, and Windows with support for plug-ins written in Node.js, and embedded Git Control, developed by GitHub. Most of the extending packages have free software licenses and are community-built and maintained. Atom is based on Chromium and written in C++...
Found on http://en.wikipedia.org/wiki/Atom_(text_editor)

Atom

[time] The atom was a unit of time referred to in medieval philosophical writings as the smallest possible division of time. The earliest known occurrence in English is in Byrhtferth`s Enchiridion (a science text) of 1010–1012, where it was defined as 1/564 of a momentum (1½ minutes), and thus equal to 15/94 of a second. It was used in t...
Found on http://en.wikipedia.org/wiki/Atom_(time)

Atom

At'om noun [ Latin atomus , Greek ..., uncut, indivisible; 'a priv. + ..., verbal adj. of ... to cut: confer French atome . See Tome .] 1. (Physics) (a) An ultimate indivisible particle of matter. (b) An ultimate particle of matter not ne...
Found on http://www.encyclo.co.uk/webster/A/140

Atom

At'om transitive verb To reduce to atoms. [ Obsolete] Feltham.
Found on http://www.encyclo.co.uk/webster/A/140

atom

A building block of matter, the smallest particle that has the chemical characteristics of a particular chemical element. It contains a nucleus of protons and neutrons surrounded by a cloud of electrons.
Found on https://www.encyclo.co.uk/local/22327

Atom

A particle of matter indivisible by chemical means. It is the fundamental building block of the chemical elements. The elements, such as iron, lead, and sulfur, differ from each other because they contain different kinds of atoms. There are about six sextillion atoms in an ordinary drop of water. According to present day theory, an atom contains a ...
Found on http://www-bdnew.fnal.gov/operations/accgloss/gloss.html

Atom

A particle of matter which cannot be broken up by chemical means. Atoms have a nucleus consisting of positively-charged protons and uncharged neutrons of the same mass. The positive charges on the protons are balanced by a number of negatively-charged electrons in motion around the nucleus
Found on http://www.encyclo.co.uk/local/20725
No exact match found