Textuality » 3A Interacting
CONVERSION:
the act or process of changing something from one form, use or system to another (Oxford, University Press)
the process of converting or of being converted (http://www.wordreference.com/definition/conversion)Etymology:
mid-14c., originally of religion, from Fr. conversion, from L. conversionem (nom. conversatio), from convers-, pp. stem of convertere (see convert*). General sense of "transformation" is early 15c. Of buildings, from 1921. Conversion disorder "hysteria" (attested from 1946 but said to have been coined by Freud) was in DSM-IV (1994).
*CONVERT: c.1300, from O.Fr. convertir, from V.L. *convertire, from L. convertere "turn around, transform," from com- "together" + vertere "to turn". Originally in the religious sense. The L. word is glossed in O.E. by gecyrren, from cierran "to turn, return." Related: Converted; converting. The noun is recorded from 1560s (earlier convers, early 14c.).
(http://www.etymonline.com/index.php?term=conversion)
REVOLUTION:
To turn something upside-down (teacher sense)
An attempt, by a large number of people, to change the government of a country, especially by violent action (Oxford, University Press)
a forcible overthrow of a government or social order, in favour of a new system. -> (in Marxism) the class struggle expected to lead to political change and the triumph of communism. (http://www.wordreference.com/definition/revolution)
a dramatic and wide-reaching change: marketing underwent a revolution. (http://www.wordreference.com/definition/revolution)Etymology:
late 14c., originally of celestial bodies, from O.Fr. revolution, from L.L. revolutionem (nom. revolutio) "a revolving," from L. revolutus, pp. of revolvere "turn, roll back" (see revolve*). General sense of "instance of great change in affairs" is recorded from mid-15c. Political meaning first recorded c.1600, derived from French, and was especially applied to the expulsion of the Stuart dynasty under James II in 1688 and transfer of sovereignty to William and Mary.
*REVOLVE: late 14c., from L. revolvere "turn, roll back," from re- "back, again" + volvere "to roll". Meaning "travel around a central point" first recorded 1660s.
(http://www.etymonline.com/index.php?term=revolution&allowed_in_frame=0)