semidiurnal

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الإنجليزية - التركية
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الإنجليزية - الإنجليزية
Twice daily
Pertaining to, or accomplished in, half a day, or twelve hours; occurring twice every day
{s} lasting half a day; happening about once every twelve hours
Pertaining to, or traversed in, six hours, or in half the time between the rising and setting of a heavenly body; as, a semidiurnal arc