To such an extent or degree; to the same extent or degree.

"It's not as well made, but it's twice as expensive."

Considered to be, in relation to something else; in the relation (specified).

"1865, The Act of Suicide as Distinct from the Crime of Self-Murder: A Sermon"

For example; for instance. (Compare such as.)

Name of the letter a in Cyrillic and Glagolitic alphabets.