nltk.corpus.reader.wordnet.Lemma

The lexical entry for a single morphological form of a sense-disambiguated word.

Create a Lemma from a "<word>.<pos>.<number>.<lemma>" string where: <word> is the morphological stem identifying the synset <pos> is one of the module attributes ADJ, ADJ_SAT, ADV, NOUN or VERB <number> is the sense number, counting from 0. <lemma> is the morphological form of interest

Note that <word> and <lemma> can be different, e.g. the Synset 'salt.n.03' has the Lemmas 'salt.n.03.salt', 'salt.n.03.saltiness' and 'salt.n.03.salinity'.

Lemma attributes, accessible via methods with the same name:

• name: The canonical name of this lemma.
• synset: The synset that this lemma belongs to.
• syntactic_marker: For adjectives, the WordNet string identifying the syntactic position relative modified noun. See: https://wordnet.princeton.edu/documentation/wninput5wn For all other parts of speech, this attribute is None.
• count: The frequency of this lemma in wordnet.

Lemma methods:

Lemmas have the following methods for retrieving related Lemmas. They correspond to the names for the pointer symbols defined here: https://wordnet.princeton.edu/documentation/wninput5wn These methods all return lists of Lemmas:

• antonyms
• hypernyms, instance_hypernyms
• hyponyms, instance_hyponyms
• member_holonyms, substance_holonyms, part_holonyms
• member_meronyms, substance_meronyms, part_meronyms
• topic_domains, region_domains, usage_domains
• attributes
• derivationally_related_forms
• entailments
• causes
• also_sees
• verb_groups
• similar_tos
• pertainyms