Term Definition
Labor and Material Payment Bond 0 likes
Written security document to an owner from a bonding company on behalf of a contractor or subcontractor, guaranteeing payment to the owner if the contractor doesn’t pay for labor, equipment, materials, or services stated in the contract; See Performance Bond and Surety Bond
Labor Union 2 likes
A trade union
Laboratory 1 like
A room or building with equipment for examination, experimentation, or analysis
Laboratory Cabinet3 likes
laboratory cabinet
Furniture with drawers or shelves and doors mainly for storage where scientific studies take place, or in commercial and institutional laboratories and testing establishments
Laboratory Counter 5 likes
A level surface in a laboratory where equipment is positioned and where work is done
Laboratory Equipment 0 likes
Implements, devices and tools employed in laboratories
Laboratory Hot Plate 6 likes
A heating appliance used in a laboratory
Laboratory Incinerator 1 like
An apparatus where waste materials are burned in a laboratory
Laboratory Incubator2 likes
laboratory incubator
A device that controls conditions in a laboratory
Laboratory Table2 likes
table, laboratory
A surface on which substances, equipment and tools are stored and used in a laboratory
Lac 2 likes
A natural resin such as seed lac, button lac, and shellac
Laches 3 likes
Unwarranted delay in affirming legal rights, causing loss of the rights
Lacquer 1 like
A liquid composed of shellac in alcohol, or synthetic substances that dries to produce a hard protective coating
Lacunar 1 like
Ceiling consisting of vaults or recessed panels
Lacunaria 3 likes
Recessed panel in a ceiling
Ladder3 likes
A portable piece of equipment with rungs attached to the sides used for climbing up or down
Ladder Bar 1 like
A prefabricated reinforcement used for embedding in the horizontal mortar joints of masonry; parallel crooked side rods joined in a single plane by cross wires producing a ladder-like design
Ladder Cage2 likes
ladder cage
A cage-like structure bordering a wall-mounted ladder for safety purposes
Ladder Rung4 likes
ladder rung
A horizontal round component that serves as a step on a ladder
Ladder Step 1 like
A horizontal flat component of a ladder that serves as a step
Ladder, Pool5 likes
ladder pool
See Pool Ladder
Lag 1 like
Deferred response
Lag Rod 1 like
Large thick rod with a square or hexagonal head
Lag Screw2 likes
lag screw
A large thick wood screw with a square or hexagonal head
Laid Off 5 likes
See Double-Up
Laid-On 3 likes
See Double-Up
Lake Asphalt 2 likes
See Natural Asphalt
Lake Pigment 1 like
Pigment created by placing an organic dye on a base of fine particles of inert or translucent pigment
Lake Sand 4 likes
Sand that has a preponderance of fine, round particles
Lally Column 1 like
Tradename; hollow steel column occasionally filled with concrete
Product of the day


Detergent, alkali, acid, or another cleaning substance Solvent for cleaning paint equipment



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