(music) double harmonic scale, a scale with two augmented seconds. / (music) quarter tone scale, or 24 tone equal temperament.

The form of the Arabic language used in literary texts in 7th to 9th centuries. It is based on the Medieval dialects of Arab tribes, and is the language of the Qur'an.

The standard and literary variety of Arabic used in writing and in formal speech in the Arab world since c. the 19th century.

Alternative spelling of archeopteryx

ancient; antediluvian; archaic; old; prehistoric; primitive

plural of arbor vine

Alternative letter-case form of Arcadia

the form of the Aramaic language that is used in the books of Daniel, Ezra and a few other places in the Hebrew Bible.

plural of arbitrage pricing theory

The official name of the country of Egypt.