Search for a construction term, or browse the database by letter.

 

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z


Displaying 151 - 180 of 644 hits.

<- Back | First | Last | Next ->


Term Definition
Denatured Alcohol. Grain or ethyl alcohol made unsuitable for beverage purposes by adding compounds of a poisonous nature.  
Dendriform. Resembling a tree in structure.  
Dendrochronology. The science of dating events and variations in environment in former periods by comparative study of growth rings in trees and aged wood.  
Dendroid. Resembling a tree in form.  
Dendrology. The study of trees.  
Denier. System of yarn count used for synthetic fibers; the weight in grams per 9,000 meters of yarn length; one denier equals 4,464,528 yards per pound or 279,033 yards per ounce.  
Dense-Graded Aggregate. An aggregate that has a particle size distribution such that when it is compacted, the resulting voids between the aggregate particles, expressed as a percentage of the total space occupied by the material, are relatively small.  
Densification. The act of increasing the density of a mixture during the compaction process.  
Density, Pile Yarn. See Pile Yarn Density.  
Density. 1. The quantity per unit volume, unit area, or unit length; in wood it is expressed as pounds per cubic foot, kilograms per cubic meter, or grams per cubic centimeter at a specified moisture content. 2. Closeness of texture or consistency of particles within a given substance.  
Dental Equipment. Equipment used by dentists for dental work on patients.  
Dental Light. An adjustable lamp used by dentists, having an arm-like extension enabling it to be maneuvered in any direction, and which focuses light in one direction.  
Dentil. One of a series of small projecting rectangular blocks forming a molding, part of a cornice.  
Deodorizer. Device which absorbs or adsorbs various odors, usually by the principle of absorption; activated charcoal is commonly used.  
Deposit. 1. A natural resource such as iron ore. 2. Settled material, such as sediment. 3. A returnable sum paid usually for safekeeping or to guarantee the return of something.  
Deposited Metal. Filler metal that has been added during a welding operation.  
Deposition. 1. The extra-judicial testimony of a witness given under oath. 2. The written record thereof.  
Depository, Night. See Night Depository.  
Depreciation. The decrease in value of a property from any cause.  
Derrick. A hoisting frame with a long beam, ropes, gear, and pulleys that can lift a heavy load and swing it to the side.  
Desiccant. 1. A drying agent. 2. Substance used to collect and hold moisture in refrigerating system; common desiccants are activated alumina and silica gel.  
Design Concept. An architectural idea that is depicted on the drawings and in the specifications with the expectation that it will be faithfully executed by the contractor.  
Design Development Drawings. Drawings prepared by architects for the Design Development Phase.  
Design Development Phase. One of the standard phases of architectural service (Schematic Design Phase, Design Development Phase, Construction Documents Phase, Bidding or Negotiation Phase, and Construction Phase-Administration of the Construction Contract).  
Design Displacement. The design-basis earthquake lateral displacement, excluding additional displacement due to actual and accidental torsion, required for design of the seismic isolation system.  
Design Filter Rate. See Design Rate of Flow.  
Design Head. The total head requirement of the circulation system at the design rate of flow.  
Design Heat Load. The total heat loss from a building under the most severe winter conditions likely to occur.  
Design Pressure. Highest or most severe pressure expected during operation; sometimes used as the calculated operating pressure plus an allowance for safety.  
Design Professional. A person cated and skilled in the field of building design or the related structural and environmental systems.  

Displaying 151 - 180 of 644 hits.

<- Back | First | Last | Next ->