Unicase

A unicase or unicameral alphabet is one that has no case for its letters. Persian, Kannada, Tamil, Arabic, Old Hungarian, Hebrew, Georgian and Hangul are unicase alphabets, while (modern) Latin, Greek, Cyrillic and Armenian are bicameral, as they have two cases for each letter, e.g., B/b, Β/β, Б/б, Բ/բ. Individual characters can also be called unicameral if they are used as letters with a generally bicameral alphabet but have only one form for both cases; for example, ʻokina (ʻ), used in Polynesian languages, and glottal stop (ʔ) as used in Nuu-chah-nuulth.