coal hopper

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• Hopper — Hop per, n. [See 1st {Hop}.] 1. One who, or that which, hops. [1913 Webster] 2. A chute, box, or receptacle, usually funnel shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with …   The Collaborative International Dictionary of English

• Hopper boy — Hopper Hop per, n. [See 1st {Hop}.] 1. One who, or that which, hops. [1913 Webster] 2. A chute, box, or receptacle, usually funnel shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden… …   The Collaborative International Dictionary of English

• Hopper closet — Hopper Hop per, n. [See 1st {Hop}.] 1. One who, or that which, hops. [1913 Webster] 2. A chute, box, or receptacle, usually funnel shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden… …   The Collaborative International Dictionary of English

• Hopper cock — Hopper Hop per, n. [See 1st {Hop}.] 1. One who, or that which, hops. [1913 Webster] 2. A chute, box, or receptacle, usually funnel shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden… …   The Collaborative International Dictionary of English

• hopper — hop‧per [ˈhɒpə ǁ ˈhɑːpər] noun [countable] a large container for waste, animal food, coal etc with a narrow opening at the bottom from where it can be emptied * * * hopper UK US /ˈhɒpər/ noun [C] PRODUCTION ► a large tube, wide at one end,… …   Financial and business terms

• hopper — [häp′ər] n. [ME hoppere] 1. a person or thing that hops 2. any hopping insect, esp. a grasshopper 3. [so called from making material “hop”] a box, tank, rail car, etc., often funnel shaped, from which the contents can be emptied slowly and evenly …   English World dictionary

• Hopper car — Two bay hopper cars of the Reading Railroad. New hopper cars outside the …   Wikipedia

• coal utilization — Introduction        combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …   Universalium

• Coal preparation plant — A coal washer in Eastern Kentucky A coal preparation plant (CPP) is a facility that washes coal of soil and rock, preparing it for transport to market. A CPP may also be called a coal handling and preparation plant (CHPP), prep plant, tipple, or… …   Wikipedia

• hopper — /hop euhr/, n. 1. a person or thing that hops. 2. Informal. a person who travels or moves frequently from one place or situation to another (usually used in combination): a two week tour designed for energetic city hoppers. 3. any of various… …   Universalium

• hopper car — noun : a freight car with a floor sloping to one or more hinged doors or hoppers for discharging bulk contents (as coal, ore, sand) by gravity and with a permanent roof and roof hatches when used for carrying bulk commodities (as cement) which… …   Useful english dictionary