A Midrash, a rabbinical amplification of the Biblical text.
"Stories and Pictures"
Isaac Loeb Peretz
Gerald looked as if the question had not been quite clear, and he waited for some amplification of it before he could answer.
"Aurora the Magnificent"
Gertrude Hall
However, "additional special experiments are required to find to what limits the amplification can be increased by the method I have created in the construction of this doubling-apparatus, using multiple turns of wire."
"The Earliest Electromagnetic Instruments"
Robert A. Chipman