Czechoslovakia

geographical name

Czech·​o·​slo·​va·​kia ˌche-kə-slō-ˈvä-kē-ə 

-slə-,

-ˈva-

landlocked country 1918–92 in central Europe; a republic with its capital at Prague area 49,371 square miles (127,871 square kilometers); divided Jan. 1, 1993 into the separate countries of the Czech Republic and Slovakia

Czechoslovak

ˌche-kə-ˈslō-ˌväk 

-ˌvak

adjective or noun

Czechoslovakian

ˌche-kə-slō-ˈvä-kē-ən 

-slə-

-ˈva-

adjective or noun