How do you pronounce umbra and penumbra?
What is the meaning of penumbra?
The penumbra (from the Latin paene “almost, nearly”) is the region in which only a portion of the light source is obscured by the occluding body. An observer in the penumbra experiences a partial eclipse.
How do you pronounce umbra shadow?
noun, plural um·bras, um·brae [uhm-bree]. shade; shadow.