The word "infrasonic" is spelled with the prefix "infra-", meaning "below", followed by the root word "sonic", meaning "sound". The correct pronunciation is [ɪnfrəˈsɒnɪk], with the emphasis on the second syllable. The "fr" combination in the prefix is pronounced as [fr], while the vowel sound in the second syllable is [ə]. The final "c" is pronounced as [k]. Infrasonic refers to sound waves with frequencies below the range of human hearing, typically less than 20 hertz.
Infrasonic is an adjective that describes frequencies or sounds that are below the range of human audible perception, typically below 20 hertz (Hz). It refers to low-frequency vibrations or waves that are characterized by their extremely long wavelengths and slow oscillations. Infrasonic waves can be produced naturally or artificially, and they have various applications in different fields.
In nature, infrasonic phenomena can occur due to various sources such as earthquakes, volcanic eruptions, thunderstorms, ocean waves, and even some animal behaviors like the deep calls of whales. These vibrations can travel long distances and are often used by certain animals for communication or navigation purposes.
Infrasonic waves also find applications in human-made technology. They can be artificially generated by specialized instruments or machinery for scientific purposes, such as studying earthquakes or atmospheric phenomena. Additionally, infrasonic waves are utilized in specific industries for their unique properties, such as ultrasonic cleaning or ultrasonic testing.
The study of infrasound and its properties is part of a scientific field called infrasonics. Researchers and scientists investigate various aspects of infrasound, including its generation, transmission, behavior, and its effects on the environment and living organisms.
Overall, infrasonic refers to sounds or frequencies that exist outside the range of human hearing, but still have significant implications in nature, technology, and scientific research.
The word "infrasonic" is composed of the prefix "infra", which comes from the Latin word "infra" meaning "below" or "beneath", and the suffix "-sonic", derived from the Latin word "sonus" meaning "sound". So, the etymology of "infrasonic" can be understood as "below sound" or "beneath sound". It refers to frequencies of sound waves that are below the lower limit of human hearing.