Based on Research by TBI Model Systems. 1  Your vision is important for many aspects of life. 2  Traumatic brain injury (TBI) can cause problems with your vision.  Treatment can either fix the problem completely, improve your vision, or help you better manage the problem.
Grammar. 1  InitialsAn initial is the first letter of a word. We often use initials to refer to the names of countries and organisations: â¦. 2  AcronymsAcronyms are words which are formed from the first letters of other words, and which are pronounced as full words. Examples of acronyms: â¦. 3  Abbreviations, initials and acronyms â¦.
Wiktionary (0.00 / 0 votes) Rate this definition: initial (Noun). The first letter of a word or a name. initial (Noun). In plural, the first letter of each word of a person's full name considered as a unit. You can get your initials printed at the top. initial (Noun).A distinguished initial letter of a chapter or section of a document.he first letter of a word or a name. initial (Noun). In plural, the first letter of each word of a person's full name considered as a unit. You can get your initials printed at the top. initial (Noun). A distinguished initial letter of a chapter or section of a document.