Look up: Threshold

1. Threshold
   In architecture, a threshold is a piece of stone or timber lying below the bottom of a doorway.
   Found on http://fas.org/news/reference/probert/AB
   
   
2. Threshold
   A quantity added to (or subtracted from) the weighted sum of inputs into a neuron, which forms the neuron's net input. Intuitively, the net input (or bias) is proportional to the amount that the incoming neural activations must exceed in order for a neuron to fire.
   Found on http://mitpress.mit.edu/books/FLAOH/cbnh
   
   
3. Threshold
   The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed.
   Found on http://www.epa.gov/OCEPAterms/
   
   
4. Threshold
   The dose or exposure level below which a significant adverse effect is not expected.
   Found on http://www.epa.gov/OCEPAterms/
   
   
5. Threshold
   The level of some independent variable at which some process changes from one distinct state to another, eg. a temperature threshold above which fish feeding ceases.
   Found on http://www.pestmanagement.co.uk/lib/glos
   
   
6. Threshold
   the minimum level of a signal(sound. pressure, pain) which is detectable.
   Found on http://www.eclipse.co.uk/moordent/glossa
   
   
7. threshold
   [n] - the starting point for a new state or experience 2. [n] - the smallest detectable sensation
   Found on http://www.webdictionary.co.uk/definitio
   
   
8. Threshold
   The level at which a dynamics processing unit will begin to change gain.
   Found on http://www.testing1212.co.uk/a.htm
   
   
9. Threshold
   When used in reference to a species, an ecosystem, or another natural system, it refers to the level beyond which further deterioration is likely to precipitate a sudden adverse, and possibly irreversible, change.
   Found on http://www.greenconstruction.co.uk/gloss
   
   
10. Threshold
    A value used for black and white printing that decides which colours shall be printed as black and others as white according to their colour density.
    Found on http://www.amigahistory.co.uk/t.html
    
    
11. Threshold
    The area at the base of a window or door opening often incorporating draught excluder strips or similar.
    Found on http://www.interbuilders.co.uk/glossary/
    
    
12. threshold
    for a specified sensory modality(e.g.light,sound,vibration),the lowest level(absolute threshold)or smallest difference(difference threshold,difference limen)or intensity of the stimulus discernible in prescribed conditions of stimulation Category: Medicine • in modulation systems,the smallest value of carrier-to-noise ratio at the input to the demodulator for all values above which a s…
    Found on http://www.mijnwoordenboek.nl/definition
    
    
13. Threshold
    A strip of wood or metal with beveled edges used over the finish floor and the sill of exterior doors.
    Found on http://www.rookinspections.com/glossary/
    
    
14. Threshold
    the heart rate at which lactic acid begins to build up faster than you can break it down. You should do the bulk of your training at just below that level.
    Found on http://www.rei.com/learn/Crosstrain/rei/
    
    
15. Threshold
    The point at which an action begins or change. The threshold setting used in scanning line art determines which pixels are converted to black and which will become white. The threshold defined in the USB process determines how large a tonal contrast must be before sharpening will be applied to it.
    Found on http://www.rodsmith.org.uk/photographic%
    
    
16. Threshold
    The dose or exposure level below which a significant adverse effect is not expected.
    Found on http://www.dlservicesinc.com/Terminology
    
    
17. Threshold
    Thresh"old noun [ Middle English threswold , þreshwold , Anglo-Saxon þrescwald , þerscwald , þerscold , þrescold , from þrescan , þerscan , to thresh; akin to Icelandic þreskjöde , þröskuldr , Swedish tröskel , Danish tćrskel . See Thrash .] 1.
    Found on http://www.encyclo.co.uk/webster/T/49
    
    
18. threshold
    1. The point at which a stimulus first produces a sensation. ... 2. The lower limit of perception of a stimulus. ... 3. The minimal stimulus that produces excitation of any structure; e.g., the minimal stimulus eliciting a motor response. ... Synonym: limen. ... Origin: A.S. Therxold ... (05 Mar 2000) ...
    Found on http://cancerweb.ncl.ac.uk/cgi-bin/omd?t
    
    
19. threshold
    limen noun the smallest detectable sensation
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
20. threshold
    noun the starting point for a new state or experience; `on the threshold of manhood`
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
21. Threshold
    `Threshold` may refer to: In fiction: * Threshold (`Doctor Who`), organization of Gallifreyan/Human origin in `Doctor Who` comic strips * Threshold (fictional planet), the planet around which the ringworld Halo orbits in the video game `Halo` * Threshold (comics), comic book character from `Wildstorm` * `Threshold` (novel), a 1985 science fiction novel by David R. Palmer * `Threshold`, a 2001 science fiction novel by Caitlín R. Kiernan * Thresh...
    Found on http://en.wikipedia.org/wiki/Threshold
    
    
22. Threshold
    `Threshold` may refer to: In fiction: * Threshold (`Doctor Who`), organization of Gallifreyan/Human origin in `Doctor Who` comic strips * Threshold (fictional planet), the planet around which the ringworld Halo orbits in the video game `Halo` * Threshold (comics), comic book character from `Wildstorm` * `Threshold` (novel), a 1985 science fiction novel by David R. Palmer * `Threshold`, a 2001 science fiction novel by Caitlín R. Kiernan * Thresh...
    Found on http://en.wikipedia.org/wiki/Threshold
    
    
23. threshold
    (thresh´ōld) the level that must be reached for an effect to be produced, as the degree of intensity of stimulus that just produces a sensation. that value at which a stimulus just produces a sensation, is just appreciable, or comes just within the limits of perception. renal threshold.
    Found on http://www.mercksource.com/pp/us/cns/cns
    
    
24. Threshold
    • (n.) Fig.: The place or point of entering or beginning, entrance; outset; as, the threshold of life. • (n.) The plank, stone, or piece of timber, which lies under a door, especially of a dwelling house, church, temple, or the like; the doorsill; hence, entrance; gate; door.
    Found on http://thinkexist.com/dictionary/meaning
    
    
25. threshold
    (from the article `central-place theory`) The determining factor in the location of any central place is the threshold, which comprises the smallest market area necessary for the goods and ...
    Found on http://www.britannica.com/eb/a-z/t/45