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regular open

adj

Etymology

From regular + open; apparently a backformation from regular open set.

Definitions

  1. Being the interior of its closure.

    • The set (0,1)∪(1,2) is open, but is not regular open, because its closure is [0,2], so the interior of its closure is (0,2).

The neighborhood

Vish — recursive loop

No curated loop yet for regular open. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA