Sentence:  <WSD>Linguistic imbalance</WSD>, reflecting and [sic] the growing dominance of English and the continuing decline of Irish, are addressed in Mac Donnacha and Ó Giollagáin's paper where the nature of this decline, its extent and attempts at countering it are all explored. 
Meaning of the word marked with <WSD> tags:  The levels of official use or representation of languages that are perceived not to reflect their use in the population.