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ionisation

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.ionisation - the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge); "the ionization of a gas"
condition, status - a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations"
2.ionisation - the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"


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? Mentioned in ? References in periodicals archive
 
Excitation of a plasma requires partial ionisation of neutral atoms and/or molecules of a medium.
Lyrid meteors are swift (entry velocity 49 km/s) and can often be bright and leave behind good persistent ionisation trains, particularly in the predawn twilight.
The Japanese long ago realised that standing next to a waterfall, whereionisation also occurs, makes people feel better and German scientists in the1930s used ionisation chambers to train bomber pilots to stay awake longer andbe more alert.
 
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