ORTHOGRAPHIC AGREEMENT: the before and the after The 4th edition completely revised and updated with the Orthographic Agreement of 1990. To facilitate the orthographic transition and ease the search for words, the list of entries presents both spellings - before and after the Agreement. An attached Guide to the Orthographic Agreement systematizes the main changes resulting from the orthographic reform. CURRENT About 80,000 entries in an expanded edition with commonly used words such as anti-clockwise, bicultural, crash, cost-benefit, eco-school, goji, mentoring, outlet, parenthood, or transgender, technical and scientific terminology, and variants from Brazil and Lusophone Africa. COMPLETE About 222,000 translations, including Anglophone variants, over 42,000 idiomatic expressions, phrases, and illustrative examples, diverse grammatical information, such as prepositional governance, and lists of countries and their capitals. INDISPENSABLE Aimed at students, translators, and professionals from various fields, this work is a valuable tool and an essential study aid for academic and professional performance with a view to mastering the English language.