noun
basic research; fundamental research
Refers to scientific or academic research aimed at gaining fundamental knowledge, as opposed to applied research.
大学では基礎研究に力を入れている。
The university is focusing on basic research.
応用研究 is applied research, which uses the findings of 基礎研究 to solve practical problems.
Compound of 基礎 (foundation, basis) and 研究 (research).