Kasiṇa devices are ten in number and are as follows: paṭhavi (earth), āpo (water), tejo (fire), vāyo (air), nīla (blue), pīta (yellow), lohita (red), odāta (white), ākāsa (space), and viññāṇa (vijñāna, consciousness). These ten form part of the forty objects of meditation. See KAMMAṬṬHĀNA.
"Kasiṇa." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. (September 24, 2018). http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/kasina
"Kasiṇa." The Concise Oxford Dictionary of World Religions. . Retrieved September 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/kasina