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UKold-hat
/ˈəʊldhˈat/
/ˈoʊldhˈæt/
Examples
1. Again for channel regulars, this is kind of old-hat but for those who aren’t it’s a big reason why I spend so much time mentioning rotating habitats like the O’Neill Cylinders and Dyson Swarms, big clouds of these things around a star.
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