Term Definition
Oak Floor 0 likes
A popular type of flooring, generally fitted with small tongue and groove oak strips
Oak Veneer 0 likes
A thin oak layer glued to another wood to produce a decorative facing; commonly seen as white oak and red oak
Oatmeal Paper 0 likes
Wallpaper created by scattering sawdust over a surface with glue on it
OB 0 likes
Octave Band
Obelisk1 like
A stone pillar, often a monument with a square base and oblique sides that taper like a pyramid to form a pointed top
Oblique 0 likes
An angle; not parallel or perpendicular; sloping
Oblique Slip Fault 0 likes
A combination of faults where the movement is diagonal along the fault plane dip
Obscure Glass1 like
obscure glass
Glass that transfers light but which can’t be seen through
Obsolescence 0 likes
Not useful any longer; out of date
Obtuse Angle 0 likes
Angle between 90 degrees and 180 degrees in size
Obtuse Triangle 0 likes
A triangle with one angle that is more than 90 degrees
OC 1 like
On center; describes the spacing of framing elements from the centers of adjacent members in a building; also seen as O/C
See Oxygen Cutting
Occupancy 0 likes
The rate of occupation of a place
Use of a building, such as a school, restaurant, residence or office
Occupancy Importance Factor (I) 0 likes
Building code terminology used to identify important occupancies
Occupational Safety & Health Administration (OSHA) 0 likes
U.S. Department of Labor/OSHA, 200 Constitution Avenue, NW, Washington DC, Tel: (202) 219-7725, URL: www.osha.gov
Ochre 0 likes
A reddish or yellowish earth pigment made from iron ore, employed in paint
Octyl Alcohol-Ethyl Hexanol 0 likes
Chemical in absorption machines that diminishes the absorber’s surface tension
Oculus 0 likes
A circular or eye-shaped opening in a dome
A round window
OD 0 likes
Outside Diameter
Odor 0 likes
A smell; may be pleasant or unpleasant
Off Cycle 0 likes
When a system is not functioning
Off-Site 0 likes
Anything not on the building or job site
Offer 0 likes
To try to provide something that may be accepted or refused
Offeror 0 likes
The person who makes an offer
Office 0 likes
A room or building in which professional or business activities take place
Office Building 0 likes
A building containing several business offices
Office Cubicle 0 likes
A compartment with fixed or movable walls which houses a person who works in an office
Office Park 0 likes
A prearranged group of office buildings with shared management, landscaping, parking, and other facilities
Office Partition 0 likes
Portable interior wall that separates an office area
Office Safe1 like
office safe
A strong container with a lock that secures money or valuables in an office; usually fire-resistant
Office Trailer 0 likes
A vehicle used to conduct business activities on a job site
Offset 0 likes
Sudden bend in a straight bar or pipe to avoid obstruction
Offset Cabinet Construction 0 likes
Constructing cabinets so the back corners of the doors and drawer fronts overlap the face frame and hide the joint
Offset Hinge 0 likes
A 90 degree offset hinge that moves the center of a door’s rotation
OG 0 likes
Ogee 0 likes
A decorative curved section of a moulding, partially convex and partially concave, like an elongated flat S
Ogee Molding 0 likes
A molding with a modified flat S-shaped profile
Ogee Roof 0 likes
An architecturally designed roof inspired by Eastern culture
Ogive 0 likes
An arch with an apex
Ohm (R) 0 likes
Measures the resistance of an electrical current; occurring when a volt creates an ampere of current to flow
Ohmmeter1 like
This instrument calculates resistance measured in ohms
Ohms Law 0 likes
The electrical law that defines the ampere, voltage and resistance relationship; equation: Amperes (I) x Ohms (R) = Volts (V)
Oil Absorption 0 likes
The measure of the rate at which oil absorption occurs in pigments
Oil Base Caulking 0 likes
Distributed by tube, caulking is created from resins and oil substances
Oil Binding 0 likes
An occurrence caused by a layer of oil above a liquid refrigerant whereby the refrigerant is unable to evaporate at the usual pressure and temperature
Oil Burner Nozzle 0 likes
A device that sprays a mist of atomized fuel oil; the combustion properties of the fuel are enhanced
Oil Colors 0 likes
A paste derived from crushing colors in linseed oil
Oil Fired Boiler 0 likes
A vessel in which oil is heated and sent to a pressurized nozzle, from which it is then dispensed as a mist and lit via electric spark
Oil Furnace 0 likes
A furnace used to burn oil to produce heat
Oil Length 0 likes
A measurement used to grade varnish by oil length by calculating the gallons of oil present in 100 pounds of resin; shortoil varnish is weaker than long-oil varnish; a common long-oil varnish is spar varnish, while a common shortoil varnish is rubbing varnish
Oil of Vitriol 0 likes
See Sulphuric Acid
Oil Paint 0 likes
Paint comprised of oil that dries
Oil Separator 0 likes
Oil is removed from gaseous refrigerants with this device
Oil Soluble 0 likes
Ability to be dissolved when exposed to oil
Oil Stain 0 likes
A stain for wood which is comprised of dyes that are oil soluble and solvents like turpentine; will penetrate wood pores and may bleed
Oil Switch 0 likes
Typically fitted in a vent pipe, this switch or relay allows the burner to be turned off within a 45 second time period when a stack is unable to reach a fixed temperature following the start of the motor
Oil Tank 0 likes
The storage vessel in which heating oil is held for use in the future by a furnace system that burns oil or an oil burner
Oil Varnish 0 likes
A varnish created by the combination of hard resin, drying oil, and a drier that has been thinned with an unstable solvent; evaporation dries the solvent following application, then as a result of oxidation, the oil dries
Oil-Canning 0 likes
Deformation of metal panels made of thin-gauge which are attached to prevent normal thermal passage
Oil, Refrigeration 0 likes
See Refrigeration Oil
Oilcloth Varnish 0 likes
Varnish which is usually elastic and extremely flexible
Oilstone 0 likes
A piece of whetstone employed generally with oil
Oiticica Oil 0 likes
A drying oil extracted from the oiticica tree nut
Old English Bond 0 likes
See English Bond
Old Growth 0 likes
Timber obtained from a mature forest; the trees are grown mostly or completely alongside their counterparts; the wood is usually straight and untangled
Olefin 0 likes
A synthetic polymer which is long-chained made of minimum 85 percent by of propylene, ethylene or other olefin components by weight; polypropylene has been manufactured as fiber for carpets
Olefin Plastics 0 likes
Products of plastic nature based on resins produced from a high amount of olefins by weight; the most commonly found olefin plastics in pipe are polybutylene, polyethylene and polypropylene
Oleoresin 0 likes
A mixture of resin and an essential oil which comes from plants like softwoods
Oleoresinous Varnish 0 likes
A varnish made of resin or gum mixed in a drying oil that solidifies as it mixes with the oxygen in air
Olive Knuckle Hinge 0 likes
A hinge, paumelle in nature, with knuckles that produce an oval shape
Product of the day

C Stud

A roll-formed metal channel stud

C Stud


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