fundamental

US /ˌfʌndəˈmɛntl/

UK /ˌfʌndəˈmentl/

A2TOEIC
adj.AdjectiveForming a necessary part, base, or core
A solid foundation is a fundamental part of any building
n. (c./u.)Noun (Countable/Uncountable)A basic part of something
He explained the fundamental tasks of the job to the new employee
n. (c./u.)Noun (Countable/Uncountable)(Music) the lowest note in a harmony
No, the fundamental are these keys, please listen carefully
adj.AdjectiveOf central importance.
Trust is fundamental to any good relationship.
n. (c./u.)Noun (Countable/Uncountable)A basic principle, rule, or law that serves as the groundwork of a system; an essential part.
The fundamentals of physics are essential for understanding the universe.
adj.AdjectiveAffecting the essential nature of something; radical.
The company underwent a fundamental restructuring.
n. (c./u.)Noun (Countable/Uncountable)A class that is the root of all other classes.
The fundamental is the root class of all Delphi classes.

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