Yes, it is. It means "characterized by buboes" (swelling of the lymph nodes).
It is primarily used in the compound noun "Bubonic Plague" (a deadly disease).
To be cured from the Bubonic Plague you can use antibiodics. In the previous bubonic plagues when it was a plague there was no cure.
The Bubonic Plague
the Bubonic Plague occurred in Europe about 400 years ago
This is a very nasty infectious disease, usually called the Bubonic plague, or the black death (but not the bubonic death). It has killed a lot of people.
The bubonic plages time period was the middel ages.
The Bubonic plague started in approximately 1330 in Southern China.
Bubonic Plague is caused by the bacterium, Yersinia pestis.
the bubonic plague, spread by rats bitten bye infected fleas
What Bubonic plague caused an rapid spreading disease
The name of the bacillus that causes Bubonic plague is Yersinnia pestis.
The Pneumonic plague, (internal bubonic plague,) constricted your throat muscles.
The bubonic plague started in Asia and spread to Europe.