British spelling: to treat, convert, or combine something with albumen or albumin; to cause a substance to take on albumin-like properties.
From 'albumen' + '-ise' (British suffix for making into or treating with something). This verb form allows scientific description of processes involving albumin.
When heat albuminises egg white, it permanently changes the protein structure from liquid to solid—a chemical transformation that can't be reversed, even if you cool it down!
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