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Tsiolkovsky

[ tsyawl-kawf-skee, -kof-; Russian tsuhl-kawf-skyee ]
/ tsyɔlˈkɔf ski, -ˈkɒf-; Russian tsʌlˈkɔf skyi /
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noun
Kon·stan·tin E·du·ar·do·vich [kon-stuhn-teen ed-wahr-duh-vich; Russian kuhn-stuhn-tyeene-doo-ahr-duh-vyich], /ˈkɒn stən tin ɛdˈwɑr də vɪtʃ; Russian kən stʌnˈtyin ɛ duˈɑr də vyɪtʃ/, 1857–1935, Russian inventor and rocket expert.
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SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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