ENGLISH
REFERENCE

vibrational

adj.
C1 Advanced US //vaɪˈbɹeɪʃənəɫ// UK //vaɪbɹˈeɪʃənəl// vi·bra·tional

adj. relating to the movement of something back and forth, like a sound or a machine. It describes things that shake or move in a repeating pattern.

adj. relating to or caused by vibration; involving a periodic to-and-fro motion. Often used in technical contexts to describe energy or frequency.


SIMPLE

The engine produces a loud vibrational noise.

CONTEXTUAL

Engineers must account for vibrational stress when designing the wings of a high-speed aircraft.

COMPLEX

In quantum mechanics, the vibrational energy levels of a molecule are quantized, meaning they can only take on specific discrete values rather than a continuous range.

© 2026 English Reference