(grammar) a German infinitive form created by adding or infixing the particle zu and used in subordinate clauses

(grammar) A word or affix attached to the stem of a verb in order to form the full infinitive.

In English, an infinitival phrase consisting of the infinitive of the auxiliary "have" (with or without a preceding "to") plus the past participle; a comparable phrase or word in other languages.

plural of infinitive marker

(mathematics) biinfinite

(mathematics) Having a quantity or cardinality that is infinite or unbounded.

(mathematics) A method of proof by contradiction that is used to prove that a statement must be false for all positive integers. By showing that if it is true for one integer, it must be true for a smaller integer, an infinite number of solutions are found and a contradiction is eventually reached.

plural of zu-infinitive

(informal) The proposition that a monkey hitting typewriter keys at random is bound to produce meaningful text (such as a work by William Shakespeare), given an infinite amount of time.

(mathematics) A continued fraction that goes on forever