umbra
IPA: ˈʌmbrʌ
noun
- The fully shaded inner region of a shadow cast by an opaque object.
- (astronomy) The area on the earth or moon experiencing the total phase of an eclipse.
- (astronomy) The central region of a sunspot.
- (chiefly literary) A shadow.
- (archaic) An uninvited guest brought along by one who was invited.
- One of the family Umbridae of mudminnows.
- One of genus Umbrina of drums (family Sciaenidae).
- (mathematics) An element of the umbral calculus.
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Examples of "umbra" in Sentences
- Not much is known about this umbra.
- For a point source only the umbra is cast.
- The Tempest is also part of the Dark Umbra.
- Another part of the shadow is called the umbra.
- But most of it doesn't fit into wikipedia's umbra.
- Notice that part of the earth is in the umbra region.
- They are entirely unaware of the more traditional Umbra.
- Their vengeful spirits still dwell in the Australian Umbra.
- From within the umbra, the light source is completely occluded.
- Born in Bastia Umbra, Vitalis as a youth was licentious and immoral.