(dated) A machine for projecting chronophotographs upon a screen for the purpose of producing the effect of an animated picture, sometimes with an accompanying soundtrack.
perestroika
perestroika
noun
(countable, singularity theory) A situation where a small variation of parameters leads to a sudden change in properties.
(historical, uncountable) A program of political and economic reform carried out in the Soviet Union in the 1980s and early 1990s under the leadership of Mikhail Gorbachev.
(historical, uncountable) The period of time in the Soviet Union during which these reforms were carried out and in effect.
piatigorsky
postmarking
postmarking
verb
present participle of postmark
prokaryotic
prokaryotic
adj
Of cells, lacking a nucleus.
Of or having the characteristics of prokaryotes, especially bacteria.
realpolitik
realpolitik
noun
(politics) Pragmatic government policy concerned with perceived interests of the state.
