Directivity
noun ·Rare ·Advanced level
Definitions
- 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. countable, uncountable
- 2 the property of a microphone or antenna of being more sensitive in one direction than in another wordnet
- 3 Anisotropy in the propagation of earthquake waves in the direction of rupture. countable, uncountable
- 4 the quality of being directive wordnet
- 5 Directionality countable, rare, uncountable
"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, the Netherlands, 25 June-6 July 1990, Pergamon 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."
Example
More examples"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, the Netherlands, 25 June-6 July 1990, Pergamon 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."
Etymology
From directive + -ity.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.