Word.ws English Dictionary

dekad

dekad 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.

Noun

dekad (plural dekads)

  1. 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.
    • Figure 1 displays the current position of the ITF relative to the long-term average position during the 2nd dekad of June and its previous position during the 1st dekad of June.2022 July 1 (last accessed), “Africa InterTropical Front (ITF)”, in Climate Prediction Center, NOAA, archived from the original on 01 Jul 2022

Forms of dekad

pluraldekads

Origin of dekad

Borrowed from Ancient Greek δεκάς (dekás, “group of ten”). By surface analysis, deka- + -ad. Doublet of decad and decade.

Words formed from dekad

Questions about dekad

What does dekad mean?
Dekad means 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.
What part of speech is dekad?
Dekad is a noun.
What is the plural of dekad?
The plural of dekad is dekads.

Words near dekad in the dictionary

  1. deka-
  2. dekaampere
  3. dekaamperes
  4. Dekabrist
  5. Dekabrists
  6. dekad
  7. dekadal
  8. dekadarchies
  9. dekadarchy
  10. dekadrachm
  11. dekadrachms

Source and license

Adapted from Wiktionary: dekad (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “dekad.” Word.ws, https://word.ws/dekad. Based on Wiktionary, CC BY-SA 4.0.