n a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
n the 5th letter of the Hebrew alphabet
abbr. 厚漆单层丝色的（Heavy-Enamel Single-Silk）；家用电子装置的数字键盘（Numeric keyboard for home electronic systems）