transcription, транскрипция: [ ˈkrəks, ˈkru̇ks ]
noun
( plural crux·es also cru·ces ˈkrü-ˌsēz)
Etymology: Latin cruc-, crux cross, torture
Date: 1718
1. : a puzzling or difficult problem : an unsolved question
2. : an essential point requiring resolution or resolving an outcome
the crux of the problem
3. : a main or central feature (as of an argument)