c. 1400, "a box," especially the vessel in which the host or consecrated bread is preserved, from Latin pyxis, from Greek pyxis "box-wood; a box," from pyxos "box-wood; box-tree," of uncertain origin.
雙語例句
1. The 2,6 dipicrylamino 3,5 dinitro pyridine ( PYX ) pureness reference material had been certificated by potentiometric method.