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.
Thorium is a chemical element with symbol Th and atomic number 90. A radioactive actinide metal, thorium is one of only three radioactive elements that still occur naturally in large quantities as a primordial element (the other two being bismuth and uranium).horium is also used as an alloying element in TIG welding electrodes. It remains popular as a material in high-end optics and scientific instrumentation; thorium and uranium are the only radioactive elements with major commercial applications that do not rely on their radioactivity.