Audio – Definition & Meaning

Audio is a term that is used in everyday language, but what does it actually mean? In simple terms, audio refers to any sound that is heard by the human ear. However, there is much more to the definition and meaning of audio than just this basic understanding. In this article, we will explore the different definitions, origins, and associations of audio, as well as its synonyms, antonyms, and root words.


According to the Merriam-Webster dictionary, audio is defined as “of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20,000 hertz.” This definition highlights the technical aspects of audio and emphasizes that it is a form of sound that can be heard by humans.
Another definition of audio comes from the Oxford English Dictionary, which defines it as “sound, especially when recorded, transmitted, or reproduced.” This definition emphasizes the role of technology in the creation and dissemination of audio, and suggests that it can be experienced in a variety of ways beyond just hearing it in person.


The word audio comes from the Latin word audire, which means “to hear.” This root word is also the basis for other related words, such as audience and auditory. The use of the term audio to refer to sound waves and frequencies dates back to the early 20th century, when advancements in technology allowed for the recording and playback of sound.

Meaning in different dictionaries

In addition to the definitions provided by Merriam-Webster and the Oxford English Dictionary, other dictionaries also offer their own interpretations of the meaning of audio. For example, the Cambridge Dictionary defines audio as “relating to sound or the recording and broadcasting of sound.” The Collins English Dictionary defines it as “relating to the transmission, reception, or reproduction of sound.” These definitions all emphasize the role of technology in the creation and dissemination of audio.


When people hear the term audio, they may associate it with a variety of different things. Some common associations include music, podcasts, audiobooks, and sound effects in movies and TV shows. Audio is also often associated with technology, such as speakers, headphones, and microphones.


There are many synonyms for audio, including sound, noise, tone, melody, and harmony. These words all refer to different aspects of sound and can be used interchangeably with audio in certain contexts.


Antonyms of audio include silence, quiet, and mute. These words all refer to the absence of sound and are the opposite of audio in terms of their meaning.

The same root words

As mentioned earlier, the root word for audio is audire, which means “to hear.” Other words that share this root include audience, auditory, audition, and audible. These words all relate to the act of hearing or listening.

Example Sentences

  1. The audio quality on this recording is excellent.
  2. I love listening to audio books on long car rides.
  3. The audience was captivated by the beautiful melody.
  4. The audition process was nerve-wracking, but I’m glad I did it.
  5. The sound of the waves crashing on the shore was audible from our hotel room.
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