The sticky substance seeping out of trees called sap is a vital part of the treeâs life. Sap carries important nutrients, water and hormones through the tree that are essential for a healthy plant. Pruning, damage, pests and disease are common reasons why trees ooze and drip sap.
Definitions for penetralium. Here are all the possible meanings and translations of the word penetralium. Wiktionary(0.00 / 0 votes)Rate this definition: penetralium(Noun) the innermost (or most secret) part of a building; an inner sanctum.
penumbra. 1. Region of very low illumination on a dark background. 2. Zone in which the brightness varies from some illumination to zero (umbra) in the shadow cast by an opaque object intercepting light from an extensive light source.