affix: a linguistic element added to a word to produce an inflected or derived form
bound morpheme: a morpheme that occurs only as part of a larger construction; eg an -s at the end of plural nouns
floating-point notation: a radix numeration system in which the location of the decimal point is indicated by an exponent of the radix; in the floating-point representation system, 0.0012 is represented as 0.12-2 where -2 is the exponent