tuberculation Syllabification: (tu·ber·cu·la·tion)Pronunciation: /t(y)o͞oˌbərkyəˈlāSHən/Definition of tuberculation noun chiefly Biology the formation or presence of tubercles, especially of a specified type. Origin: mid 19th century: from Latin tuberculum (see tubercle) + -ationtuberculation in other Oxford dictionaries Definition of tuberculation in the British & World English dictionary