having complicated nutritional requirements; especially growing only in special artificial cultures; "fastidious microorganisms"; "certain highly specialized xerophytes are extremely exacting in their requirements" مرادفات: fastidious,
requiring precise accuracy; "an exacting job"; "became more exigent over his pronunciation" مرادفات: exigent,
severe and unremitting in making demands; "an exacting instructor"; "a stern disciplinarian"; "strict standards" مرادفات: stern, strict,