Below are possible answers for the crossword clue Centre of radiation?.
3 letter answer(s) to centre of radiation?
HUB
a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
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