Talk:medium dead

Is this a one-off by Asimov, or generally used? Equinox ◑ 11:14, 3 November 2011 (UTC)


 * Here's another use. This also seems to be a technical term in acoustics. — Raifʻhār Doremítzwr ~ (U · T · C) ~ 12:48, 3 November 2011 (UTC)