6.1 Lexical Semantics

• DEF lemma / citation form original form of a word 单词原型

• DEF wordforms forms of words

• DEF word sense

  • DEF polysemous a word with multiple meanings

• DEF synonyms

• DEF synonyms have the same propositional meaning for that exchanging the words in sentences won't change the truth conditions of the sentence.

• DEF principle of contrast a difference in linguistics form is always associated with some difference in meaning.

• DEF word similarity

• DEF word relatedness / word association two words may not be synonyms but are strongly related, like fish and water.

  • a semantic field is a set of words which cover a particular semantic domain. For example [ doctor, nurse, hospital ].