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  2. /pene
  3. /penumbra

penumbra

🇬🇧 UK/pi'nʌmbrә/🇺🇸 US
GREC2

Definitions

n.

A partially shaded region at the edge of a shadow, especially during an eclipse; any area of uncertainty between two states.

半影;(比喻)模糊地带,边缘区域

🧩 Root Breakdown

Root-derived
penwithin, inside, to put or place within
+
umbraroot
=penumbra

Example Sentences

  • 1.

    The penumbra of the shadow region gradually transitioned to darkness.

  • 2.

    Moral questions often exist in a penumbra between right and wrong.

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