Sentence:  "Ad" for advertisement is struggling hard for general recognition; some of its compounds, e. g., "ad-writer", "want-ad", "display-ad", "ad-card", "ad-rate", "column-ad" and "ad-man", are already accepted in technical <WSD>terminology</WSD>. 
Meaning of the word marked with <WSD> tags:  The set of terms actually used in any business, art, science, or the like; nomenclature; technical terms.