alt Hacker NewsYour definition of "complete dominance" is different from most people's.
If you completely dominate your enemy, you prevent them from being able to affect the situation. Iran is maintaining a blockade over a major shipping lane that the USA does not want them to. The USA's inability to prevent this shows that they are not "completely dominating" Iran.
No, "air dominance" is a well recognized term, it means you can fly your planes basically anywhere you want, to take out whatever target you want, without risk from AA. They are using it exactly how anyone familiar with warfare terminology would understand it.