(algebra) An algebra such that every subalgebra generated by two elements is associative.

plural of alternative hypothesis

plural of alternating function

plural of alternative universe

(biology) metagenesis

(linguistics) Verner alternation

(Indo-European studies) The alternation between consonants in different forms of a word stem in the Germanic languages, as a result of Verner's law.

(group theory) a group of even permutations of a finite set

(publishing, uncountable) Collectively, newspapers or other printed publications which provide an editorial perspective and information differing from—and often dissenting from—the outlook and information provided by more established, conventional, or official publications.

Any fuel that is not diesel or petrol (petroleum-based).