Th. In Old English, the article the, when the following word began with a vowel, was often written with elision as if a part of the word. Thus in Chaucer, the forms thabsence, tharray, thegle, thend, thingot, etc., are found for the absence, the array, the eagle, the end, etc.
n 1: the fifth day of the week; the fourth working day [syn: Thursday]
2: a soft silvery-white tetravalent radioactive metallic
element; isotope 232 is used as a power source in nuclear
reactors; occurs in thorite and in monazite sands [syn: thorium,
atomic number 90]