1. Lack of knowledge or understanding in theoretical or abstract matters; absence of theoretical knowledge in a particular field or discipline
His theoretical ignorance of quantum mechanics prevented him from understanding the research paper.
Sua ignorância teórica de mecânica quântica o impediu de compreender o artigo de pesquisa.
2. The state of not knowing or being unfamiliar with theoretical concepts, principles, or frameworks
The students' theoretical ignorance became apparent during the exam.
A ignorância teórica dos alunos tornou-se evidente durante o exame.