Wiktionary
autodidacticism
alt. Self-education; self-directed learning. n. Self-education; self-directed learning.
Wikipedia
Autodidacticism
Autodidacticism (also autodidactism) or self-education (also self-learning and self-teaching) is the act of learning about a subject or subjects in which one has had little to no formal education. Many notable contributions have been made by autodidacts.