stretchers is a form of:

Fundamental



noun
1.
(principle, essential part) គោលការណ៍សំខាន់
2.
គោលការណ៍ជាមូលដ្ឋាន
adjective
1.
~ (to something) (of a foundation basic, primary, most important) fundamental principle ដែលជាគ្រឹះ, មូលដ្ឋាន, fundamental change ដែលសំខាន់ៗ
Example: His fundamental concern was for her welfare.
2.
(បច្ចេកទេស) ជាមូលដ្ឋាន, ចាំបាច់
ENGLISH MEANING
noun
1.
A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of the Christian faith.
adjective
1.
Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom.
1.
absolute, basic, cardinal, central crucial, elemental, elementary, essential, first, important, intrinsic, key, precise, primary, rudimentary, simple, specific
1.
abstract, abstruse, auxiliary