PENUMBRA
\pˈɛnʌmbɹə], \pˈɛnʌmbɹə], \p_ˈɛ_n_ʌ_m_b_ɹ_ə]\
Definitions of PENUMBRA
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary
- 1919 - The Winston Simplified Dictionary
- 1899 - The american dictionary of the english language.
- 1894 - The Clarendon dictionary
- 1919 - The Concise Standard Dictionary of the English Language
- 1871 - The Cabinet Dictionary of the English Language
Sort: Oldest first
By DataStellar Co., Ltd
-
The shadow cast, in an eclipse, where the light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light.
-
The part of a picture where the shade imperceptibly blends with the light.
By Oddity Software
-
The shadow cast, in an eclipse, where the light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light.
-
The part of a picture where the shade imperceptibly blends with the light.
By Noah Webster.
-
A partial shadow round the perfect shadow of an eclipse: the part of a picture where the light and shade blend.
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
-
n. [Latin] An imperfect shadow;—a partial shade or obscurity on the margin of total eclipse, or lying between the perfect shadow where light is wholly intercepted and the full light;—the point of a picture where the shade blends with the light.
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.