The 'Macquarie Study Dictionary' represents the ultimate concept in dictionaries. Its innovations make it the dictionary of choice to take students through their entire secondary school years and beyond. Starting from an authoritative Macquarie database of over 30,000 headwords, the Macquarie Study Dictionary adds over 5000 subject specific headwords and definitions covering 16 key curriculum areas. Fully integrated thesaurus entries complete the single most useful resource a student will ever purchase.