naturalists is a form of:

Naturalist



noun
1.
ធម្មជាតិវិទូ, អ្នកវិទ្យាសាស្ដ្រធម្មជាតិ, អ្នកសិក្សាពីសភាពរបស់ធម្មជាតិ
ENGLISH MEANING
noun
1.
One versed in natural science; a student of natural history, esp. of the natural history of animals.
2.
One who holds or maintains the doctrine of naturalism in religion.