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periodic table :Definition, Usages, News and More periodic table n(chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law Bee Dictionary:Search, browse, look at common errors, idioms and more....
Definition of Period A period is the name given to a horizontal row of the periodic table. The periodic table has seven periods. Apart from period 1, every period begins with an alkali metal and ends with a noble gas. Period 1 contains only two elements:hydrogenandhelium. Periods 6 and ...
The meaning of PERIOD is the completion of a cycle, a series of events, or a single action : conclusion. How to use period in a sentence. Synonym Discussion of Period.
periodic (ˌpɪərɪˈɒdɪk) adj 1.happening or recurring at intervals; intermittent 2.of, relating to, or resembling a period 3.(General Physics) having or occurring in repeated periods or cycles ˌperiˈodicallyadv
Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun content. Link to this page: Facebook Twitter References in periodicals archive? Of course, such formal self-reflexivity can work in counter-hegemonic directions ...
periodic table theperiodic table noun [singular](chemistry) a list of all the chemical elements, arranged according to theiratomic number Join us Join our community to access the latest language learning and assessment tips from Oxford University Press!
1. A certain duration or division of time. 2. One of the stages of a disease, e.g., period of incubation, period of convalescence. See also: stage, phase 3. Colloquialism for menses. 4. Any of the horizontal rows of chemical elements in the periodic table. [G. periodos, a...
In chemistry, the termperiodrefers to a horizontal row of theperiodic table. Elements in the same period all have the same highest unexcited electron energy level or same ground state energy level. In other words, each atom has the same number of electron shells. As you more down the period...
The meaning of PERIODIC is occurring or recurring at regular intervals. How to use periodic in a sentence.