The document defines and provides examples of root words: - Manufacture and manuscript are examples of words that come from the root word "manu" which means the progenitor and lawgiver of the human race. - The root word "mater" means the backing holding the movable parts of an astrolabe, and is important for using an astrolabe. - "Micro" as a root word means extremely small, and examples are microcellular, microbar, and microculture. Students studied the micro structure, a small structure. - "Ortho" as a root word means straight, upright, or vertical. The example given is orthodontist, which the girl had to visit since her teeth