Tsiolkovsky

== English == === Alternative forms === Tsiolkovskiy === Etymology === Borrowed from Russian Циолковский (Ciolkovskij), from Polish Ciołkowski. === Proper noun === Tsiolkovsky (plural Tsiolkovskys) A transliteration of the Russian surname Циолковский (Ciolkovskij). ==== Derived terms ==== Tsiolkovsky rocket equation ==== Related terms ====