(grammar) ʾiʿrāb: a number of nominal, adjectival, and verbal inflectional endings, which are an integral part of Qur'anic and Classical Arabic, although they are generally not written and not pronounced in pausa or written but not pronounced.

plural of desinential inflection

(mathematics) a point of inflection / Synonym of turning point

(mathematics) a point on a curve at which the sign of the curvature changes; at this point the second derivative of the underlying function will be zero, but positive on one side and negative on the other.

plural of point of inflection

plural of inflection point

(grammar, linguistics) The study of the various processes, including vowel change and affixation, that distinguish word formations in certain grammatical categories.

plural of inflectional phrase

(differential calculus, differential geometry) A tangent to a curve at a point of inflection.

plural of inflectional tangent