periclase, magnesia, magnesium_oxide
Meaning: a white solid mineral that occurs naturally as periclase; a source of magnesium
Whose Magnesia is it that contains essence of Bark?
It is still a profitable business to sell patent purgatives, such as cider in which a little magnesia has been dissolved.
It macerates its opium and percolates its own laudanum and paregoric. To this day pills are made behind its tall prescription desk--pills rolled out on its own pill-tile, divided with a spatula, rolled with the finger and thumb, dusted with calcined magnesia and delivered in little round pasteboard pill-boxes.