Standard Lemma guide
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noun
Ten days, especially of rainfall. Generally identified as dekad 1: 1st-10th, dekad 2: 11th-20th, and dekad 3: 21st-last day of each month.
Definition source: English Wiktionary via Wiktextract
Topics: climatology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Borrowed from Ancient Greek δεκάς (dekás, “group of ten”). By surface analysis, deka- + -ad. Doublet of decad and decade.
