Mach (M)

Technology / Aviation / Mach (M): A number representing the ratio of the speed of an object to the speed of sound in the surrounding air or medium in which it is moving.


Entertainment / Literature / Telemachia: The first four books of The Odyssey are together called the Telemachia because they focus on the problems Telemachus faces while waiting for his father Odysseus to return home. MORE

Tide Predicting Machine

Science / Tides and Currents / Tide Predicting Machine: A mechanical analog machine especially designed to handle the great quantity of constituent summations required in the harmonic method. William Ferrel's Maxima and Minima Tide Predictor (described in MORE


Science / Biology / Stomach: The muscular organ between the esophagus and small intestine that stores, mixes, and digests food and controls the passage of food into the small intestine. MORE

Smith Machine

Health / Fitness / Smith Machine: A barbell that is constrained to move only vertically upwards and downwards. MORE

Rough Machining

Business / Machine Shop / Rough Machining: Removing excess stock (material) with a machine tool thus shaping it in preparation for finish machining. MORE

Rowing Machine

Health / Fitness / Rowing Machine: A cardiovascular machine that increases stamina, upper body endurance, strength, and flexibility by mimicking a rowing motion. Also called a rower. MORE