To make something denser, thicker, or more closely packed together.
From Latin 'densus' (thick, closely packed) combined with the suffix '-ify' (from Latin -ficare, meaning to make or cause to be). The word emerged in scientific English in the 19th century to describe processes of increasing density.
When wood is densified, it becomes harder than some metals—this process is actually being used to create sustainable building materials that could replace steel in some applications!
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