dharmatā. Dharma-nature, the nature underlying all thing, thebhūtatathatā, a Mahāyāna philosophical concept unknown in Hīnayāna, v. 真如 and its various definitions in the 法相, 三論 (or法性), 華嚴, and 天台 Schools. It is discussed both in its absolute and relative senses, or static and dynamic. In theMahāparinirvāṇa sūtraand various śāstras the term has numerous alternative forms, which may be taken as definitions, i. e. 法定 inherent dharma, or Buddha-nature; 法住 abiding dharma-nature; 法界dharmakṣetra, realm of dharma; 法身dharmakāya, embodiment of dharma; 實際 region of reality; 實相 reality; 空性 nature of the Void, i. e. immaterial nature; 佛性 Buddha-nature; 無相 appearance of nothingness, or immateriality; 真如bhūtatathatā; 如來藏tathāgatagarbha; 平等性 universal nature; 離生性 immortal nature; 無我性 impersonal nature; 虛定界: realm of abstraction; 不虛妄性 nature of no illusion; 不變異性 immutable nature; 不思議界 realm beyond thought; 自性清淨心 mind of absolute purity, or unsulliedness, etc. Of these the terms 真如, 法性, and 實際 are most used by thePrajñāpāramitā sūtras.