a specialized bony substance covering the root of a tooth | the embedded part of a bodily structure such as a tooth, nail, or hair |
a building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar | (linguistics) the form of a word after all affixes are removed |
something that hardens to act as adhesive material | a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes |
concrete pavement is sometimes referred to as cement | the set of values that give a true statement when substituted into an equation |
any of various materials used by dentists to fill cavities in teeth | the place where something begins, where it springs into being |
| someone from whom you are descended (but usually more remote than a grandparent) |
| (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground |
| a number that, when multiplied by itself some number of times, equals a given number |