Tamas—the material mode of ignorance.Prabhupada ›Glossary›-T-›Tamas-the material mode of Tamas-the material mode of ignorance. Link to this page: https://prabhupadabooks.com/glossary/t/tamas-the-material-mode-of-ignorance Previous: Tamasah-the coverings of the universe. Next: Tamo-guna-the mode of ignorance, or darkness of material nature. It is controlled by Lord Siva. See Modes of nature.