Al-. A prefix. (a) [AS. eal.]
All; wholly; completely; as, almighty,almost.
(b) [L.
ad.]
To; at; on; -- in OF. shortened to a-. See Ad-.
(c)
The Arabic definite article answering to the English the; as, Alkoran, the Koran or the Book; alchemy, the chemistry.
© Webster 1913.