Английский разговорный словарь (основной) - fundamental

ˌfʌndəˈmentl adj. & n. --adj. of, affecting, or serving as a base or foundation, essential, primary, original (a fundamental change; the fundamental rules; the fundamental form). --n. 1 (usu. in pl.) a fundamental rule, principle, or article. 2 Mus. a fundamental note or tone. øfundamental note Mus. the lowest note of a chord in its original (uninverted) form. fundamental particle an elementary particle. fundamental tone Mus. the tone produced by vibration of the whole of a sonorous body (opp. HARMONIC). øøfundamentality n. fundamentally adv. [ME f. F fondamental or LL fundamentalis (as FUNDAMENT)]