plural of future perfect

plural of perfect field

(algebra, field theory) A field K such that every irreducible polynomial over K has distinct roots.

Having almost perfectly memorized a theatrical part.

Synonym of square number

plural of perfect square

a simple (one-word) participle, traditionally called the past participle, used together with an auxiliary verb to form a perfect tense, such as "eaten" in English or "gegangen" in German

(grammar) The auxiliary verb that is combined with a past participle to form a compound perfect tense: in English, the verb have; in French, German, and Danish either the equivalent of have or the equivalent of be, depending on the verb.

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.

(economics) An atomistic market.