Four Marks of the Church adjective ("katholikos"), meaning "general", "universal". It is associated with the Greek adverb ("katholou"), meaning "according to the whole", "entirely", or "in general", a combination of the preposition meaning "according to" and the adjective meaning "whole". Applied to the church, the adjective "catholic" means that in the church the wholeness of the Christian faith, full and complete, all-embracing, and with nothing lacking, is proclaimed to all people without excluding any part of the faith or any class or group of people. The adjective can be applied not only to the church as spread throughout the world but also to each local
Trivial name for example, hydrogen ("water-producing"), oxygen ("acid-producing"), nitrogen ("soda-producing"), bromine ("stink"), and argon ("no reaction") were based on Greek roots, while the names of iodine and chlorine were derived from the Greek words for their characteristic colors. Indium, rubidium, and thallium were similarly named for the colors of particular lines in their emission spectra. Iridium, which forms compounds of many different colors, takes its name from "iris", the Latin for "rainbow". The noble gases have all been named for their origin or properties. Helium comes from the Greek "helios", meaning "sun" because it was first detected as a line in the