directivity

noun
di·​rec·​tiv·​i·​ty | \ də-ˌrek-ˈti-və-tē How to pronounce directivity (audio) , (ˌ)dī-\

Definition of directivity

: the property of being directional

First Known Use of directivity

1928, in the meaning defined above

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The first known use of directivity was in 1928

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