"Exhaustive study" refers to a thorough and comprehensive examination or analysis of a subject, leaving no part unexplored or ignored. It means studying every detail and aspect to gain a complete understanding of the topic. Full definition
Study after exhaustive study has shown that exercise is extraordinarily beneficial for your body. (tctmed.com)
Despite their obvious imperfections, these are estimates based on exhaustive study of actual data — not just cherry - picked anecdotes to support some preconception or ideology. (tamino.wordpress.com)
After exhaustive studies by Goddard engineers and The Aerospace Corporation, the TESS team chose a never - before - used lunar - resonant orbit known as P / 2 in the parlance of scientists. (sciencedaily.com)