Industrial and trades terminology · MLC-0113

Industrial and trades terms: J (61)

• JackA mechanical device used for lifting heavy loads over short distances, typically for maintenance or repair...
• Jack inTo connect a piece of equipment to a system by inserting a plug into a corresponding socket or port. This...
• Jack nutA blind fastener designed for use in thin, soft, or brittle materials where a conventional nut would pull...
• Jack postAn adjustable steel column used as a temporary or permanent support in construction, primarily to carry...
• Jack-knifeThe uncontrolled folding of an articulated vehicle, such as a tractor-trailer, where the trailer swings...
• JackpotAn accumulation of logging debris, such as branches, tops, and unmerchantable logs, left on the forest floor...
• Jacobs bogieA bogie shared between two adjoining carriages of an articulated train, with the ends of both bodies resting...
• Jacob's staffA single wooden or metal pole with a pointed end, used to support a compass, plane table, or other small...
• JaddingTo make a deep, narrow cut into a rock or coal face using a specialized long-headed pick. This historical...
• JamTo secure a rope or line by wedging it into a cleat or fairlead so that it binds under its own tension...
• JapanningA finishing process that produces a hard, durable, black lacquer-like surface on wood or metal. The technique...
• JasperwareAn unglazed stoneware developed by Josiah Wedgwood in the late 18th century, known for its matte...
• JauntyRoyal Navy slang for the master-at-arms, the senior rating in charge of discipline, order, and police duties...
• JawThe forked or U-shaped fitting at the end of a boom, gaff, or yard that fits around a mast, allowing the spar...
• Jaws of lifeA brand name for a line of hydraulic rescue tools, including spreaders, cutters, and combination tools, used...
• JaywalkTo cross a street at a location without a designated crosswalk or against a pedestrian traffic signal, in a...
• JCAA former United States military program, the Joint Cargo Aircraft, intended to develop a new transport...
• JDMA classification for vehicles and parts manufactured to comply with Japanese regulations and intended for...
• JeerA heavy-duty tackle, composed of blocks and ropes or cables, used for hoisting and lowering the lower yards...
• JeffA traditional workshop game of chance played by compositors using metal type spacers, called quadrats or...
• JeffingA gambling pastime of compositors in which players throw em quads, the square metal spacers of a type case...
• Jellybean partA common, inexpensive, and widely available electronic component that performs a basic function and is not...
• JenkinA narrow roadway or passage driven into a pillar of coal, typically during retreat mining operations. This...
• JetThe microscopic nozzle or orifice in an inkjet printhead through which a precise droplet of ink is ejected...
• Jet lagA physiological condition resulting from disruptions to the body's circadian rhythm, caused by rapid travel...
• Jet siphonA device used to transfer water from one portable tank to another, or to draft water from a static source, by...
• Jeweller's shopAn exceptionally rich pocket or seam of gold-bearing ore, or of high-quality opal, in Australian mining...
• JFETA type of field-effect transistor (FET) that uses a reverse-biased p-n junction to control the current flow...
• JhumA traditional agricultural practice, also known as shifting cultivation or slash-and-burn agriculture, where...
• JibA triangular staysail set forward of the foremast on a sailing vessel. It is typically attached to the...
• JibheadThe assembly at the outer end of a jib or boom on a piece of mining machinery, such as a conveyor or shearer...
• JiffyAn informal unit of time, defined in electronics and computing as the duration of one cycle of the computer's...
• JigA mineral processing device that separates particles of different densities by pulsating a bed of material in...
• JiggerA device used in textile dyeing to process fabric in open width, preventing creasing or distortion. The...
• JiggingA mineral separation process that uses a jig to concentrate valuable minerals from gangue based on...
• Jim CrowA type of rail bender, a hand-operated tool used to cold-bend railway tracks. It consists of a heavy screw...
• Jinny roadA self-acting incline where the weight of descending full tubs is used to haul ascending empty tubs to a...
• JISThe set of technical standards for industrial activities in Japan, coordinated by the Japanese Industrial...
• JITAn abbreviation for Just-In-Time, a manufacturing and inventory management strategy that aims to reduce waste...
• JitterA deviation in the timing of a periodic signal from its ideal periodicity, often caused by variations in...
• JobberA printing company or press that specializes in small-scale, miscellaneous print orders, such as business...
• Joint lineA section of railway trackage that is owned or operated jointly by two or more separate railroad companies...
• JointerA woodworking machine that flattens one face of a board and squares an adjacent edge, preparing the lumber...
• JoistingThe process of installing horizontal structural members, known as joists, to support a floor or ceiling. This...
• JoistworkThe system of parallel, horizontal beams, called joists, that are installed to support a floor or ceiling...
• JournalThe portion of a shaft that rotates within a bearing, supporting the shaft and transmitting loads. It is...
• Journal boxA housing that encloses and supports the journal of an axle, containing the bearing and often a lubricant...
• JourneyThe full working cycle in a pot furnace, from charging the pot with raw materials (batch) to working out the...
• JSThe ship prefix of the Japan Maritime Self-Defense Force, standing for Japanese Ship and written before a...
• JubileeThe common name for the London, Midland and Scottish Railway's Class 5XP 4-6-0 passenger steam locomotives...
• JudA block of coal at the working face that has been undercut by a miner in preparation for being broken down...
• Jufti knotA type of knot used in rug weaving, also known as a false knot, where the yarn is wrapped around four warp...
• JumpA sudden, abrupt change in the elevation or continuity of a coal seam or mineral vein, often caused by...
• Jump boxA portable battery pack designed to provide a temporary power boost to a vehicle's dead battery, allowing the...
• Jump wireA short electrical conductor used to temporarily close, open, or bypass a part of an electronic circuit. It...
• JumperA short piece of conductor used to establish an electrical connection between two points in a circuit or on a...
• Jumper cableA pair of insulated wires with heavy-duty clamps at each end, used to connect a discharged vehicle battery to...
• JumpformA climbing formwork system for tall vertical concrete structures such as core walls, piers, and towers, in...
• JunctionA point in an electrical circuit or network where two or more conductors or components are connected. This...
• Junction boxAn enclosure used in electrical wiring systems to house and protect electrical connections, splices, and...
• Just-in-timeA production and inventory management strategy focused on receiving goods, components, or materials only as...

61 of 7,311 terms in Industrial and trades terminology (MLC-0113). Request the full dataset.