The Diccionario Macmillan Castillo is based on a corpus which includes spoken and written English, as well as Macmillan and Castillo primary and secondary textbooks. This broad base gives students instant access to key subject area vocabulary as well as the most important and frequently used words in general spoken and written English in Mexico. When an English language learner looks up a word in the dictionary, it is not enough for them to find its translation and grammatical information. It's absolutely essential that they understand the linguistic and social context in which the word is used. The dictionary gives students information on how, when and where to use the defined words, and warns them of typical native-Spanish speaker mistakes. The Diccionario Macmillan Castillo is an essential tool for English language learners who are native Spanish speakers.
