tossing

tossing is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Mining) (a) A process which consists in washing ores by violent agitation in water, in order to separate the lighter or earhy particles; -- called also tozing, and treloobing, in Cornwall. Pryce. (b) A process for refining tin by dropping it through the air while melted.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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