(If he were virtuous & good, he would become a Great Horned Owl). In British folklore, a screeching Barn Owl is believed to predict that a storm or cold weather was imminent. During a storm, if a Barn Owl was heard, it indicated that the storm was nearly over.
Carbon group. The carbon group is a periodic table group consisting of carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). In modern IUPAC notation, it is called Group 14. In the field of semiconductor physics, it is still universally called Group IV.
Carbonyl. Carbonyl group is a functional group with double bonded oxygen to a carbon. Aldehydes and ketones are known as organic molecules with a carbonyl group. The carbonyl group in an aldehyde always gets number one in the nomenclature as it is located at an end of the carbon chain.