Look up: period

1. Period
   [gene] Period (per) is a gene located on the X chromosome of Drosophila melanogaster. Oscillations in levels of both per transcript and its corresponding protein PER have a period of approximately 24 hours and together play a central role in the molecular mechanism of the Drosophila biologic...
   Found on http://en.wikipedia.org/wiki/Period_(gen
   
   
2. Period
   [Periodic table] Image is free for use even if is found in a site because is released by other people which release it to the public domain. ...
   Found on http://en.wikipedia.org/wiki/Period_(Per
   
   
3. Period
   [punctuation] ==Summary== subject:americano creek lower reach from valley ford bridge looking downstream: kayak area, feb 2007; photographer: c michael hogan; low res version of this original photo ...
   Found on http://en.wikipedia.org/wiki/Period_(pun
   
   
4. Period
   The elements in a horizontal row of the periodic table.
   Found on http://home.nas.net/~dbc/cic_hamilton/di
   
   
5. Period
   The period is the basic unit of geological time in which a single type of rock system is formed, lasting tens of millions of years.
   Found on http://www.enchantedlearning.com/subject
   
   
6. Period
   a designated length of time in history.
   Found on http://ablemedia.com/ctcweb/glossary/glo
   
   
7. Period
   When all the facets of a production are carefully aimed towards representing a specific period in history.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
8. Period
   One of the important designations of time - a segment of the time beam with a finite length; the interval of time required for a periodic motion of phenomenon to complete a cycle and being to repeat itself; a chronological division as of a course, a development, a life; as the sporulation period.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
9. Period
   A second order geological time unit.
   Found on http://www.geologyrocks.co.uk/glossary/l
   
   
10. period
    [n] - a stage in the history of a culture having a definable place in space and time 2. [n] - the interval taken to complete one cycle of a regularly repeating phenomenon 3. [n] - one of three periods of play in hockey games 4. [n] - a unit of geological time during which a system...
    Found on http://www.webdictionary.co.uk/definitio
    
    
11. Period
    The interval between successive occurrences of a cyclical event.
    Found on http://www.delscope.demon.co.uk/astronom
    
    
12. Period
    the time required for one cycle in a periodic waveform. Period is the inverse of frequency.
    Found on http://www.traditionalmusic.co.uk/music%
    
    
13. Period
    The length of time for which, or end date until, the initial interest rate applies.
    Found on http://www.carinsurances.co.uk/glossary.
    
    
14. Period
    The time taken for a full cycle of motion in a system executing harmonic motion. If the motion is at a single frequency f (i.e. sinusoidal) the period T is given by:whereT = period [s]f = frequency [Hz]? = angular velocity [rads^-1]
    Found on http://www.diracdelta.co.uk/science/sour
    
    
15. Period
    The elements in a horizontal row of the periodic table.
    Found on http://www.allchemicals.info/index/actio
    
    
16. period
    Rows in the periodic table are called periods. For example, all of the elements in the second row are referred to as 'second period elements'. All elements currently known fall in the first seven periods.
    Found on http://antoine.frostburg.edu/chem/senese
    
    
17. Period
    a series of elements, arranged in order of atomic number represented by a horizontal row on the Periodic Table.
    Found on http://www.chemicalglossary.net/definiti
    
    
18. Period
    The horizontal rows in the periodic table.
    Found on http://www.chemicalglossary.net/definiti
    
    
19. Period
    a unit of geological time, for example the Devonian Period
    Found on http://www.sedgwickmuseum.org/education/
    
    
20. Period
    Time taken to complete one revolution of the satellite orbit.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
21. period
    Each group of three digits separated by commas in a multidigit number
    Example:
    Period Period Period
    Millions Thousands Ones
    Hundreds Tens Ones Hundreds Tens Ones Hundreds Tens Ones
    8 5, 6 4 3, 9 0 0
    Found on http://www.hbschool.com/glossary/math2/i
    
    
22. Period
    Menstruation
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
23. period
    used to describe regularities of recurrence in ordered series, sometimes rather vaguely. Strictly, the word should relate to a period in the mathematical sense, that is to say, a term u (t) has period omega if u (t+omega)= u (t) for all t; and if a series can be analysed into a sum of such functions...
    Found on http://www.mijnwoordenboek.nl/definition
    
    
24. period
    Belonging to a particular time. A 'Sheraton period' table, for example, dates from Sheraton's time, whereas a 'Sheraton style' table is a later piece made in Sheraton style.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
25. period
    Drosophila gene regulating circadian rhythm. Expressed in CNS, Malpighian tubules, and a number of other tissues. Per contains a PAS structural domain, a nuclear localization sequence and a cytoplasmic localization domain that restricts it to the cytoplasm in the absence of Tim (product of timeless > timeless) with which it forms a heterodimer.
    Found on http://www.encyclo.co.uk/visitor-contrib