silicon based definition, silicon based meaning | English dictionary

Collins

silicon  


      n  
a    a brittle metalloid element that exists in two allotropic forms; occurs principally in sand, quartz, granite, feldspar, and clay. It is usually a grey crystalline solid but is also found as a brown amorphous powder. It is used in transistors, rectifiers, solar cells, and alloys. Its compounds are widely used in glass manufacture, the building industry, and in the form of silicones. Symbol: Si; atomic no.: 14; atomic wt.: 28.0855; valency: 4; relative density: 2.33; melting pt.: 1414°C; boiling pt.: 3267°C  
b    modifier; sometimes cap   denoting an area of a country that contains a density of high-technology industry  
     (C19: from silica, on the model of boron, carbon)  


silicon carbide  
      n   an extremely hard bluish-black insoluble crystalline substance produced by heating carbon with sand at a high temperature and used as an abrasive and refractory material. Silicon carbide whiskers have a high tensile strength and are used in composites; very pure crystals are used as semiconductors. Formula: SiC  
silicon chip  
      n      another term for       chip       8  
silicon-controlled rectifier  
      n   a semiconductor rectifier whose forward current between two electrodes, the anode and cathode, is initiated by means of a signal applied to a third electrode, the gate. The current subsequently becomes independent of the signal. It is a type of thyristor,   (Abbrev.)    SCR  
silicon rectifier  
      n     (Electronics)   a rectifier consisting of a semiconductor diode using crystalline silicon  
Silicon Valley  
      n  
1    an industrial strip in W California, extending S of San Francisco, in which the U.S. information technology industry is concentrated  
2    any area in which industries associated with information technology are concentrated  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
exp.
share ideas based on a similar experience
[Fig.] E.g.: They were both going through a divorce, so they met to compare notes.
n.
management by walking/wandering around; it's a form of management based on frequent informal visits to the subordinates'work area and direct interaction with them
[Bus.]
n.
a set of ideas, rules, or beliefs from which something is developed, or on which decisions are based
The educational framework of ISB is much different from the framework (curriculum) where I used to go to school. I do like it though.
adj.
Based on scientific testing or practical experience, not on ideas
I found out that the distance from the pond doesn't affect the number of plants from the empirical data I collected.
n.
renewable energy obtainable on coasts based on the sea or ocean low and high tides
n.
a form of workout based on the usage of high heels
also called legwork
v.
take a decision based on one's subjective conclusions, when objective evidence is not available
n.
targeted advertising based on the previous actions of a given Internet user
[Bus.];[Tech.] also behavioral retargeting [US]
n.
a career advancement website based in Palo Alto, California, specializing in Job Search / Job Hunt.
[Comp.] "I found my job at employerism.com"
n.
network-based services that makes information available from multiple electronic devices by linking it to an account
[Tech.]

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"