Chapter 2: ID Waivers 16 $ Understanding the ODP in PA: Intellectual Disability and Autism Services CHAPTER 2: INTELLECTUAL DISABILITY WAIVERS This Chapter is a detailed description of the two waivers available for people with Intellectual Disability.
Di-. a prefix, signifying twofold, double, twice. Di-. denoting two atoms, radicals, groups, or equivalents, as the case may be. See Bi-, 2. Di-. a prefix denoting through; also, between, apart, asunder, across. Before a vowel dia-becomes di-; as, diactinic; dielectric, etc. Origin: [Gr. di`s-twice; akin to two, L. bis twice. See Two, and cf. Bi-, Dia-.
The word prefix contains the prefix pre- (which means before) and the root word fix (which means to fasten or place). Thus the word prefix means to place before.. Prefixation (the process of adding a prefix to a word) is a common way of forming new words in English.See Examples and Observations below. Also see:1  Common Prefixes in English. 2  Affix. 3  Affixation. 4  Infix.hus the word prefix means to place before.. Prefixation (the process of adding a prefix to a word) is a common way of forming new words in English. See Examples and Observations below. Also see: 1  Common Prefixes in English.