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1. (n.) hot spot
a country or region where dangerous or difficult political situations exist or may develop.
2. hot spot
any area or place of known danger, instability, etc.
3. hot spot
Informal. a nightclub.
4. hot spot
a chromosome site or a section of DNA having a high frequency of mutation.
Etymology: (1925–30, Amer.)
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| Definition of 'hot spot' |
Princeton's WordNet |
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1. (noun) hot spot, hotspot
a place of political unrest and potential violence
"the United States cannot police all of the world's hot spots"
2. (noun) hot spot, hotspot
a point of relatively intense heat or radiation
3. (noun) hot spot, hotspot
a lively entertainment spot
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| Definitions of 'hot spot' |
The New Hacker's Dictionary |
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1. hot spot
1. [primarily used by C/Unix programmers, but spreading] It is
received wisdom that in most programs, less than 10% of the code eats 90%
of the execution time; if one were to graph instruction visits versus code
addresses, one would typically see a few huge spikes amidst a lot of
low-level noise. Such spikes are called hot
spots and are good candidates for heavy optimization or
hand-hacking. The term is especially used of tight
loops and recursions in the code's central algorithm, as opposed to (say)
initial set-up costs or large but infrequent I/O operations. See
tune, hand-hacking. 2. The active location of a cursor on a bit-map display. “Put
the mouse's hot spot on the ‘ON’ widget and click the left
button.” 3. A screen region that is sensitive to mouse gestures, which
trigger some action. World Wide Web pages now provide the
canonical examples; WWW browsers present hypertext
links as hot spots which, when clicked on, point the browser at another
document (these are specifically called
hotlinks). 4. In a massively parallel computer with shared memory, the one
location that all 10,000 processors are trying to read or write at once
(perhaps because they are all doing a busy-wait on
the same lock). 5. More generally, any place in a hardware design that turns into a
performance bottleneck due to resource contention.
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| Definition of 'hot spot' |
Dictionary of Military and Associated Terms |
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1. hot spot
Region in a contaminated area in which the level of radioactive contamination is considerably greater than in neighboring regions in the area.
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Definitions of hot spot 
