1. decan - Noun
2. decan - Verb
3. Decan - Proper noun
decan (plural decans)
(Egyptology, astrology) One of a collection of 36 small constellations or zodiacal subdivisions that appear heliacally at intervals of 10 days or are separated by approximately 10 degrees.
decan (third-person singular simple present decans, present participle decanning, simple past and past participle decanned)
To remove (something, especially nuclear reactor fuel) from a can or similar protective enclosure, cladding, etc.
dēċan
to smear, daub
decan m
one in charge of ten monks
Decan
Alternative spelling of Deccan
Three of these were assigned to each of the two twilight periods, so the period of total darkness was marked by the remaining 12 decan stars, resulting in the 12 divisions of the night. Source: Internet
The heliacal rising of the next decan star marked the start of a new civil week, which was then ten days. Source: Internet
The period from sunset to sunrise was marked by 18 decan stars. Source: Internet
The time between the appearance of each of these decan stars over the horizon during the night would have been about 40 modern minutes. Source: Internet