subdial /sʌbˈdaɪəl/adjective 1/ˈsʌbˌdaɪəl/ noun 1forms 1 adjective1 •(no longer used) open-air; outdoor. subdial /ˈsʌbˌdaɪəl/ noun1 •A secondary dial set into the face of a dial. formssubdials
