a. rare–1. [See SPUME sb. and -FORM.] Froth-like, frothy.
1805. Weaver, trans. Werner, 201. The external forn of friable fossils is … spumiform, as Red and Brown Scaly-Iron-Ores.
a. rare–1. [See SPUME sb. and -FORM.] Froth-like, frothy.
1805. Weaver, trans. Werner, 201. The external forn of friable fossils is … spumiform, as Red and Brown Scaly-Iron-Ores.
