1. To pass through a membrane or other structure, typically by diffusion. 2. That which can so pass. [L. permeo, to pass through]
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per·me·ate 'pər-mē-.āt vb, -at·ed; -at·ing vi to diffuse through or penetrate something vt to pass through the pores or interstices of
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per·me·ate (purґme-āt″) 1. to penetrate or pass through, as through a filter. 2. the constituents of a solution or suspension that pass through a filter.Medical dictionary. 2011.