noun, plural pe·num·brae [pi-nuhm-bree], /pɪˈnʌm bri/, pe·num·bras.
IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?
Origin of penumbra
OTHER WORDS FROM penumbrape·num·bral, pe·num·brous, adjective
Example sentences from the Web for penumbra
Strange, penumbral, characters roam the boardrooms of banks in the countries in transition.After the Rain|Sam Vaknin
It may be that all the elements of the penumbral cone intersect the earth.
The line between the real and imaginary is vague and penumbral to us.Hills and the Sea|H. Belloc
The penumbral line is marked from hour to hour on the maps given annually in the American Ephemeris.
Isabel snuck into the guest bedroom and settled into an overstuffed armchair at a penumbral corner.The Capgras Shift|Sam Vaknin