tool for smoothing stone
61Metate — and mano A metate (or mealing stone) is a mortar, a ground stone tool used for processing grain and seeds. In traditional Mesoamerican culture, metates were typically used by women who would grind calcified maize and other organic materials… …
62pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …
63Linear regression — Example of simple linear regression, which has one independent variable In statistics, linear regression is an approach to modeling the relationship between a scalar variable y and one or more explanatory variables denoted X. The case of one… …
64mandrel, mandril — 1. The shaft or spindle to which a tool is attached and by means of which it is rotated. 2. SYN: mandrin. 3. In dentistry, an instrument used in a handpiece to hold a disk, stone, or cup used for grinding, smoothing, or finishing. [G. mandra, a… …
65Cyclops laser — The single beam Cyclops laser at LLNL around the time of its completion in 1975. Cyclops was a high power laser built at the Lawrence Livermore National Laboratory (LLNL) in 1975. It was the second laser constructed in the lab s Laser program,… …
