Hyponyms are words that are the specific examples of a general word, a ‘superordinate'.

De-contextualised language is a term that describes language that is presented as an isolated item rather than with a meaningful and real context.

De-lexicalised verbs are verbs that have little meaning alone but that can be joined together with many other words, so generating a wide variety of new meanings.

A deductive approach to teaching language starts by giving learners rules, then examples, then practice. It is a teacher-centred approach to presenting new content.

Delayed correction techniques are corrections a teacher uses some time after a learner has made an error.

A descriptive grammar is a set of rules about language based on how it is actually used. In a descriptive grammar there is no right or wrong language.

A determiner is a word that goes before a noun and describes how we are referring to it in the sentence.

A diagnostic is an activity that a teacher carries out with learners in order to identify problem areas they may have.

A diagnostic test is a test that helps the teacher and learners identify problems that they have with the language