Significance of Kapalin
Kapalin is a multifaceted term with various interpretations across different texts. In the Purana, it signifies a wise Bhairava, the last Brahmana with a specific offering, a fierce aspect of Lord Hara, and a title for Ishvara meaning 'holder of a skull'. In Shaivism, it highlights Kanha's self-reference connected to the Kapalika tradition and its practitioners, who are known for their unconventional spiritual practices. Additionally, in Rasashastra, Kapalin denotes a respected chemist and an undiscovered author.1
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Kapalin'
Kapalin in Hinduism encompasses various interpretations, including a Brahmana, a self-reference by Kanha, practitioners of unconventional spirituality, a fierce aspect of Lord Hara, and a title signifying transformation and wisdom.
Significance in Rasashastra (chemistry and alchemy):
Rasashastra
Books
From: Rasa Jala Nidhi, vol 3: Metals, Gems and other substances
(1) A chemist that is still recognized among many others who have faded into memory.[1]
From: Rasa Jala Nidhi, vol 5: Treatment of various afflictions
(1) The next author in the list whose work has not yet been discovered.[2]
Significance in Purana and Itihasa (epic history):
Plural form: Kapalins.