"Unpatented" Natural Recordings by Native Speakers
Not protected by a patent.
Unpartitioned refers to something that has not been divided or separated into sections or parts. It can also refer to data or storage space that is not allocated or divided into separate sections or partitions.
Not heated to the bactericidal temperature (around 63°C) used to kill certain bacteria, especially the tubercle bacillus, in foods, drinks, or other substances.
Unperceived refers to something that is not detected, noticed, or recognized by the senses or the mind, often due to being hidden, subtle, or unnoticed.
Not convincing or effective in persuading someone to believe or support an idea or cause. Lacking persuasiveness or charm.