Submitted by György Chityil ... on Thu, 05/02/2019 - 16:54 Lemma: matrixNgram Count: 1Starts with letter: YesIndefinite Article: aGoogle Ngram Count: 1887796Sense count: 0Contained in other ngrams: 0Hierarchy: PluralForms: matrixesIssue: 0Forms Count: 1