Science / Chemistry / Milli: Prefix used in the SI system meaning 'one thousandth of'. For example 1 ml means 'one thousandth of a liter'; 1 mg means 'one thousandth of a gram'.

Parts Per Million

Science / Chemistry / Parts Per Million: Concentration expressed as parts of solute per million parts of solution. Usually refers to parts per million by mass. For example, a 10 ppm nacl solution can be written as: 10 mg nacl/kg solution, 10 MORE

Straddle Milling

Business / Machine Shop / Straddle Milling: A milling setup where two side milling cutters are spaced on an arbor to machine two parallel surfaces with a single cut. MORE

Universal Milling Machine

Business / Machine Shop / Universal Milling Machine: A milling machine with a worktable that can be swiveled for milling helical work. It is always supplied with attachments, including an indexing fixture. MORE

Milling Cutter

Business / Machine Shop / Milling Cutter: A cutting tool, generally cylindrical in shape used on a milling machine and operated essentially like a circular saw. MORE

Climb Milling

Business / Machine Shop / Climb Milling: A method of milling in which the work table moves in the same direction as the direction of rotation of the milling center. Sometimes called down cutting or down milling. MORE


Business / Agriculture / Wet-Milling: A process in which feed material is steeped in water, with or without sulphur dioxide, to soften the seed kernel in order to help separate the kernel’s various components. For example, wet-milling p MORE