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1.A low ceilinged story or extensive balcony,usually constructed next above the ground floor.2.In a theater,the lowest balcony or the forward part of the first balcony.3.A space under the stage used for the manipulation of scenery in connection with a plateau lift system.
 

Midway between high reliefand basrelief.
 

Abbr.for “mill finish.”

On drawings,abbr.for “manufacturing.”

On drawings,abbr.for “motor generator.” 

On drawings,abbr. for manhole.

On drawings,abbr.for malleable iron.

Abbr.for “Marble Institute of America.”

A naturally occurring silicate;used in paints to improve suspension and brushing properties and to improve resistance to moisture penetration;also used as a filler in plastics and in electrical and thermal insulators.

Pellets of exfoliated vermiculite.

Very small flakes of mica (or ground mica) used in the manufacture of asphalt shingles and roofing and as a filler in paints.

A crack that is too fine to be seen by the naked eye but can be detected by use of electronic measurement equipment.
 

Same as a dyne per square centimeter. 

A unit of length equal to a thousandth part of a millimeter or a millionth of a meter. 

In paint technology,bacteriaand fungi which are harmful to liquid paint and dry paint films.Bactericides and fungicides are added to paints to inhibit the growth of these organisms.
 

A device which converts sound waves into essentially equivalent electric waves;the sound waves move an element in the device which generates an electric voltage.

An aggregate,essentially free of clay and shale,that is sufficiently fine to pass through a No. 100 (150 m) sieve.

Observable only with the aid of a microscope.

A fine sieve used in the initial stage of water filtration.

A device that generates a train of microwaves having a fixed frequency in a space that is to be protected.If an intruder enters and moves in the protected area,waves reflected off the intruder’s body will be of a slightly different frequency.This change in frequency is detected,thereby activating an alarm.

A term occasionally used for Georgian style architecture.
 

A column which carries a part of a wall much thicker than its own diameter.

Same as Decorated style of Gothic architecture.

1.A king post.2.A lock rail.

An intermediate horizontal structural member of a door between the stiles;if it contains a lock,it is called a lock rail.

In flat concrete slab framing,the slab portion which occupies the middle half of the span between columns.

1.See parting slip.2.A longitudinal division or partition,as a withe in a chimney or as in a cased frame.

A rail approximately midway between the guardrail and platform,secured to the uprights erected along the exposed sides and ends of platforms.

A term descriptive of the style of Ludwig Mies van der Rohe (1886–1969),a German American architect who was a principal exponent of the International style.An out standing example of his work is the Seagram Building in New York City (1958),designed by Mies with Philip Johnson (1906– ).

The spreading or creeping of a sealant onto adjacent surfaces,usually to the detriment of bond.

A niche in the mosque or any religious Muslim building indicating direction of prayer toward Mecca.Focal point of decoration with dome in front.

1.A unit of measure equal to a thousandth of an inch (0.0254 mm).2.On drawings,abbr. for “military.”

1.Nearly pure iron having a very low carbon content,usually between 0.15 and 0.25%; a ductile,rust-resistant material used in boilers,tanks,enamelware,etc.2.Same as low steel.
 

A fungus that grows and feeds on paint,cotton and linen fabric,etc.which are exposed to moisture;causes discoloration and decomposition of the surface.

A chemical agent which inhibits the growth of mildew.

A unit equivalent to hauling one cubic yard a distance of 1 mile;used (in the US) in determining the cost of movement of excavations.

A marker showing the distance in miles from a designated location;before the 19th century,such markers were especially helpful to those traveling between outlying communities.

Before the 19th century,a small subsidiary structure in which milk and other dairy products were stored at a lowered temperature with cooling usually provided by slowly running cold spring water or the runoff from an icehouse;typically had overhanging eaves to shade it,and double walls and ceiling filled with a thermal insulator,such as sawdust;commonly had a concrete floor to promote cleanliness and louvers for ventilation;was separated from the barn for reasons of sanitation.This term replaced by the word dairyin the 1800s;health regulations have now made such structures obsolete.

A slaked lime and water solution.

Same as casein paint.

A white,semiopaque discoloration in a clear varnish film.

1.To remove metal by a circular tool having teeth,as by use of a milling machine.2.A machine for rolling plates,shapes,rails,etc.See bark mill,bolting mill,gristmill,sawmill,textile mill,tide mill,water mill,windmill.

See heavy timber construction.

A single cut file having a rectangular cross section.

The finish on a metal sheet,bar,etc.,which is produced by cold rolling or extrusion. 

Run of the mill length of pipe,usually 16 ft to 20 ft (approx.4.9 m to 6 m).
 

Steel mill products ordered explicitly for a particular job.

Standardized fabrication or rolling procedures of a specific mill or of an industry,usually applicable to structural steel.

Products from a mill which have not been graded or inspected.

A loose coating of oxide which forms on iron or iron products when heated.