Critical point Meaning, Definition & Usage
- 
       noun a crisis situation or point in time when a critical decision must be made
       
       
juncture; crossroads.
- at that juncture he had no idea what to do
 - he must be made to realize that the company stands at a critical point
 
 
WordNet
Definitions
(Physics) , a certain temperature, different for different gases, but always the same for each gas, regarded as the limit above which no amount of pressure can produce condensation to a liquid.