English Annotated Dictionary with Morphological and Linguistic Features

The English Annotated Dictionary consists of i) a limited size dictionary of English words and ii) a language model for the English language. The annotated dictionary provides useful information about words including chunking and syllabification as well as grammatical information such as “parts of speech”. The language model captures the journey of a student learning to read. It consists of a collection of language features that must be mastered by a reader. For each language feature, the model specifies its difficulty as well as a list of prerequisites that are typically mastered before the new feature is introduced in the learning path. What makes iRead English Annotated Dictionary special is the information associating each dictionary lemma with features in the language model. The iRead team of linguists and education researchers used rigorous research techniques informed by the latest science to develop the provided resources.