FURNISHING AND INTERIOR DESIGN GLOSSARY

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RAFTER - slopping beam supporting a roof
RAIL - structural support used in various applications including stairs, balconies, doors, windows (top rail, bottom rail, side rail)
RAILROADED - to turn fabric where selvages run horizontally rather than vertically, often used when fabrics are non-directional to avoid unwanted seams
RAMP - sloped surface or walkway connecting two levels
RAYON - the first synthetic fiber filaments made from various cellulose solutions SEE VISCOSE
RECESSED LIGHT - lighting fixture recessed into ceiling or fur down
RECTILINEAR - straight lines
RECYCLING TEXTILES - textiles reused or restored to reduce waste
REEDING - carved wood detail combining a series of thin, parallel, convex lines used as inlay or applied carving
REFLECTED CEILING PLAN - scaled drawing indicating all ceiling fixtures and height transitions
RELIEF - raised ornamentation
REMODELING - reconstruct, to alter, change, modify
REP or REPP WEAVE - plain weave fabric created when large filling yarns run through fine warp threads producing ribs which run selvage to selvage
RESILIENCE - ability of carpet fibers to spring back to original shape after being crushed
RE-SALE CERTIFICATE - form establishing proof of tax liability of user
REPEAT - vertical and horizontal numerical measurements relating to the pattern of woven or printed fabric, distance from a point in a pattern to the same point where it occurs again
REPOUSSÉ - decorative metalwork outlined and embossed, hammered or punched on the back side
REPRODUCTION - copying, imitating or duplicating an original object, style or structure
RETRO - styles and fashions from the past
RETURN - distance from the front of a window treatment to the wall
REVERSE PRINTING - dye-resistant products are applied, which results in only the background of a fabric is dyed
RISER - vertical member of a staircase supporting the horizontal tread
ROCAILLE - French shell-covered rock work ornamentation
ROD POCKET - stitched pocket to hold drapery hardware
ROLLER SHADE - flat window treatment, typically made of fabric or vinyl, using spring rollers inside frame of window for raising and lowering
ROLLER PRINTING - fabric manufacturing process using engraved metal cylinders for each color
ROMAN SHADE - window treatment utilizing a series of tapes, rings and cords stitched onto the backside for raising and lowering, which draws up into horizontal pleats when raised 
--- Flat Roman - When fully extended the shade is perfectly flat
--- Soft Fold Roman or Hobbled - When fully extended the shade retains soft folds down the full length of the shade
--- Shirred Balloon - Unstructured poufs of fabric shirred at the top
--- Inverted Pleated Balloon - Structured poufs where the heading is flat with inverted pleats spaced uniformly
--- Austrian Shade - Vertical rows of fabric gathered in swags
ROSETTE - round, elaborately detailed pattern resembling a rose
ROTARY-SCREEN PRINTING - fabric manufacturing process where dyes are extruded from a series of perforated tubes to create a pattern, while the fabric runs underneath the machine
RTA - acronym for "Ready-To-Assemble" furniture
RUG - soft floor covering laid onto a floor but not permanently attached
RUN - goods produced on a single machine at one time with the same overall appearance