crux criticorum
Latin noun phrase
crux cri·ti·co·rum ˈkru̇ks-ˌkri-ti-ˈkȯr-u̇m 
: ordeal of critics : a difficult problem for critics
- thermionic
- thermionic current
- thermionic tube
- thermionics
- thermions
- thermistor
- thermistors
- Thermit
- thermite
- thermites
- thermits
- thermo development
- thermo-
- thermoacidophiles
- thermoammeter
- thermoanalysis
- thermobacterium
- thermobalance
- thermobaric
- thermobarograph
- thermobarometer
- thermobarometers
- thermobiae
- thermobias
- thermocauteries