(Islam) A prophet of Islam, sometimes identified with Eber in the Bible / (Islam) The eleventh sura of the Qur'an.

plural of pyridoxal

plural of photosynthesis

(mathematics) A hypercomplex number of the form t=w+xi+yj+zk, quad w,x,y,z∈ℝ where ij=ji=k, quad i²=-1, quad j²=+1.