crux criticorum
Latin noun phrase
crux cri·ti·co·rum ˈkru̇ks-ˌkri-ti-ˈkȯr-u̇m 
: ordeal of critics : a difficult problem for critics
- normal state
- normal tax
- normal valence
- normal volume
- normal/ordinary course of events
- normalcies
- normalcy
- normaler
- normalest
- normalisable
- normalisation
- normalisations
- normalise
- normalised
- normaliser
- normalisers
- normalises
- normalising
- normalities
- normality
- normalizable
- normalization
- normalizations
- normalize
- normalized