- Definition : Affixation is the morphological process of adding an affix to the stem of a word (a free morpheme), thus modifying its meaning and/or changing its word class. An affix is a bound morpheme (part of a word with recognisable meaning/use which cannot stand alone)
- Examples : a) "un" as in unhappy : the affix changes the meaning of the free morpheme happy from positive to negative; b) "ly" as in quickly : the affix changes the form of the free morpheme quick from adjective to an adverb.
- As these examples show, in English affixes may occur at the beginning of a word - eg unhappy - in which case they are called prefixes, or at the end - eg quickly - in which case they are called suffixes. In other languages, they may also occur in the middle, in which case they are called infixes (eg in Tagalog the past tense marker -um- : sulat = to write , sumulat = I wrote)
Gairns and Redman, Working with Words, Cambridge
Don't forget that Amazon often have both new and used copies of the books you want at prices much cheaper than those shown. It's always worth checking out. Just click on the link.