In recent pedagogics, the process and means of coming into sympathetic contact with common natural objects and phenomena in their normal relationships and in their native places.(noun)
The Century Dictionary (Public Domain)
Use "nature-study" in a sentence
"And bikers are only one segment of an industry that includes hikers, nature-study groups, "off-road" vehicles (motorcycles and 4X4s), "all-terrain" vehicles (three-wheeled buggies), horse outfitters and companies that carry disabled people into the wilderness."
"Philosopher: it worships with single-minded devotion the Holy Cause of Truth, of Truth for its own sake, not for the goods it may bring; and this belief is equally acceptable to honest ignorance, and to the highest attainments in nature-study."
"Not just because it is new, not just because it is a branch of the now popular nature-study, not just because the children are eager for it, all of which are good reasons, but because of the great need of a national change of attitude toward the wild birds if we are to succeed in preserving this absolutely essential part of our natural resources."