1. plural of lemma: the basic or dictionary form of a word, especially as it appears as a headword in a dictionary
Usage: linguistics
2. plural of lemma: proven statements or propositions used as stepping stones in mathematical proofs
Usage: mathematics

Examples

• The dictionary lists lemmas alphabetically as main entries.
• Students must identify the lemmas of inflected words like ‘running’ and ‘better’.
• The linguist studied how lemmas relate to their various word forms.
• The mathematician proved several lemmas before tackling the main theorem.
• These lemmas will help establish the foundation for our proof.
• The textbook contains important lemmas needed for advanced calculus.