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    keystone


See also:   keystone, keystones



keystone n ['ki(:)stǝun]

1. замковый камень (свода или арки)
2. краеугольный камень, основной принцип

We couldn't find phrases with keystone in English to Russian Common Words Pro dictionary.
Phrases with keystone has been found in the following dictionaries:

English-Russian Oil and Gas
English-Russian Radio Engineering