Correct spelling for the English word "OINL" is [ˈɔ͡ɪnə͡l], [ˈɔɪnəl], [ˈɔɪ_n_əl] (IPA phonetic alphabet).
There is no widely recognized or established dictionary definition for the acronym "OINL." This likely means that "OINL" does not have a specific or widely accepted meaning in most contexts. Acronyms are typically formed by taking the initial letters of a series of words and creating a shorter, more convenient abbreviation. However, without further information or context, it is difficult to determine the intended meaning of "OINL" or provide a precise definition.
In some cases, acronyms are specific to particular communities, organizations, or industries and may have specialized meanings within those contexts. If "OINL" is being used in one of these specific contexts, the meaning may vary depending on the industry or group referring to it.
To determine the definition of "OINL," it may be helpful to provide additional information or clarification about where the acronym is encountered or what it is associated with. Without more context, offering a dictionary definition will not be possible.