noun
comprehension; understanding; ability to understand
Refers to the capacity or faculty to grasp meaning, logic, or content; often used in educational or evaluative contexts.
彼は数学の理解力が高い。
He has a high ability to understand mathematics.
読解力と理解力は別の能力だ。
Reading comprehension and understanding ability are different skills.
読解力 is reading comprehension ability, a subset of 理解力 focused on written text.
Compound of 理解 (understanding) and 力 (power, ability).