Word.ws English Dictionary

directivities

directivities is the plural of directivity.

Meaning of directivity

Noun

directivity (countable and uncountable, plural directivities)

  1. A measure of the performance of an antenna compared to an isotropic antenna; the ratio of the maximum value of radiation intensity to the average radiation intensity.
  2. Anisotropy in the propagation of earthquake waves in the direction of rupture.
  3. (rare) Directionality
    • For higher degrees, the spatial integration tends to produce a cancellation and a rapid loss of visibility, although less rapidly for velocity measurement than for luminosity measurement, on account of the directivity of the velocity vector.1991, COSPAR. Plenary Meeting, Jean-Louis Fellous, COSPAR., Global change and relevant space observations: proceedings of Symposium 1 of the COSPAR twenty-eighth Plenary Meeting held in The Hague...

Questions about directivities

What is directivities the plural of?
Directivities is the plural of directivity.

Words near directivities in the dictionary

  1. directive case
  2. directive cases
  3. directively
  4. directiveness
  5. directives
  6. directivities
  7. directivity
  8. directly
  9. directly proportional
  10. directmate
  11. directmates

Source and license

Adapted from Wiktionary: directivities (page history and authors); directivity (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: “directivities.” Word.ws, https://word.ws/directivities. Based on Wiktionary, CC BY-SA 4.0.