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umbra

noun
/ˈʌmbɹə/

Etymology

Borrowed from Latin umbra (“shadow”). Doublet of umber.

  1. borrowed from umbra

Definitions

  1. The fully shaded inner region of a shadow cast by an opaque object.

  2. The central region of a sunspot.

  3. A shadow.

  4. ›+ 4 more definitions

    1. An uninvited guest brought along by one who was invited.

    2. One of the family Umbridae of mudminnows.

    3. One of genus Umbrina of drums (family Sciaenidae).

    4. An element of the umbral calculus.

      • In order to set up such an algorithm, we need the notion of multiplicative inverse of an umbra. Two umbrae are said to be multiplicative inverse to each other when αγ ≡ u.

The neighborhood

Vish — recursive loop

No curated loop yet for umbra. 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