Ionizes is a 7 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 16 points.
You can make 82 anagrams from letters in ionizes (eiinosz).
First recorded in 1895-1900; ion + -ize
Certain ultra-violet rays also ionize the air and cause the formation of ozone.
Organic compounds, on the other hand, ionize only very slowly, if at all.
Second, the upper atmosphere of Eisberg was pretty much pure hydrogen, which is somewhat easier to ionize than oxygen or nitrogen.