isinglass \ˈī-zən-ˌglas, ˈī-ziŋ-\ - 1. a semitransparent whitish very pure gelatin prepared from the air bladders of fishes (as sturgeons) and used especially as a clarifying agent and in jellies and glue 2. mica especially when in thin transparent sheets; especially :
muscovite 2
I was marginally familiar with the second definition, having encountered it in a couple of period novels, except I didn't know that it was made of mica.
spelter \ˈspel-tər\ - zinc; especially : zinc cast in slabs for commercial use
This one was new to me.
No comments:
Post a Comment