Symbol, Chemistry, Physics.
Examples from the Web for uns
You shove in first, Bill—push along, Joe; there's room for three little 'uns!
I'll see him soon, depend on't, and make acquaintance with his young 'uns, and all that.
I like her—she's a lady; but these thoroughbred 'uns—it's their skin and their mouths.The Fugitive (Third Series Plays)|John Galsworthy
We uns are not more nor a hundred yards ter the right of the road, but I reckon you'll find ther way a bit rough.My Lady of the North|Randall Parrish
Major Rowland Hunt, convinced that women would soon vote themselves into the House, expressed a nave preference for "young 'uns."