(mathematics) biinfinite

(adjectival) Secret; covert; undisclosed. / (adverbial) Secretly; covertly; undisclosedly. / Used other than figuratively or idiomatically: see under, table.

Obsolete spelling of stained

(Sanskrit linguistics, transitive) To lengthen the simple vowel a, i, u, or ṛ by prefixing an a element.