The point at which many learners fail, especially a theory or formula that is difficult to grasp.
More example sentences
- After he had mastered the fifth proposition as easily as its predecessors, Frank told him that people generally found it difficult - it is the famous pons asinorum which puts a stop to many a budding geometrical career.
- It is the pons asinorum of the relationship between economics and politics.
- We used to read the first book of Euclid as far as pons asinorum; but regularly as we reached the dreadful pass we were turned back for a revisal.
mid 18th century: Latin, literally 'bridge of asses', term taken from the fifth proposition of the first book of Euclid.
Definition of pons asinorum in:
- The US English dictionary