1. krypton - Noun
2. Krypton - Proper noun
a colorless element that is one of the six inert gasses; occurs in trace amounts in air
Source: WordNetContrary to the rumours you have heard, I was not born in a manger. I was actually born on Krypton and sent here by my father, Jor-el, to save the planet Earth. Barack Obama
Someone told me that there's a connection to Superman, that in an early edition of the Green Lantern comics, Tomar Re was the envoy to Krypton. That was fascinating to me. Geoffrey Rush
And no support from the collective knowledge of Krypton of the United Planets gave Superman an advantage. Source: Internet
After this separation, generally performed by fractional distillation in a double-column plant, the liquid oxygen produced will contain small quantities of krypton and xenon. Source: Internet
Arriving on Krypton within a power beam, which modified Lois' molecular biology, giving her superpowers. Source: Internet
In a previous episode, the third part of the "Last Son of Krypton" arc, Jonathan "Pa" Kent assures his adoptive son that he will "always be Clark Kent" and that "Superman just helps out every now and then." Source: Internet