v. per·me·at·ed, per·me·at·ing, per·me·ates
1. To pass through the openings or interstices of: liquid permeating a membrane.
2. To spread or flow throughout; pervade: "Our thinking is permeated by our historical myths" (Freeman J. Dyson). See Synonyms at imbue.
To spread through or penetrate something.
[Latin permeāre, permeāt-, to penetrate : per-, through; see PER- + meāre, to pass; see mei-1 in the Appendix of Indo-European roots.]
perme·ant (-ənt), perme·a′tive (-ā′tĭv) adj.
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