BEFORE
THE ARCHITECT
LEXICON
– ABBREVIATIONS – LETTERS M, N, O
· · · · · · ·
You are, of course, free to visit the other
part of the Lexicon, the
Dictionary.
· · · · · · ·
When you put a lot of these abbreviations
on a drawing, it is good practice to send along a sheet identifying all the
abbreviations you used. That sheet is appropriately identified as a
"Key" or "Legend" or even simply
"Abbreviations."
· · · · · · ·
M
| M |
METER |
| MAS |
MASONRY |
| MAX |
MAXIMUM |
| MC |
MEDICINE CABINET for building; MOTOR
CONTROL for electrical |
| MCC |
MOTOR CONTROL CENTER |
| MDF |
MULTIDIRECTIONAL FIBERBOARD |
| MDO |
MEDIUM DENSITY OVERLAY |
| MECH |
MECHANICAL |
| MED |
MEDIUM |
| MFR |
MANUFACTURER |
| MG |
MOTOR-GENERATOR SET |
| MGT |
MANAGEMENT |
| MIN |
MINIMUM |
| MIR |
MIRROR |
| MISC |
MISCELLANEOUS |
| MKWK |
MILLWORK |
| MLD |
MILLED |
| MLDG |
MOULDING |
| MM |
MILLIMETER |
| MMB |
MEMBRANE |
| MMT |
MOMENT |
| MO |
MASONRY OPENING |
| MOE |
MODULUS OF
ELASTICITY |
| MON |
CLOSED CIRCUIT TV MONITOR |
| MOR |
MORTAR |
| MP |
MEDIUM PRESSURE DUCT |
| MPCWT |
METAL
PLATE-CONNECTED WOOD TRUSS |
| MPS |
MEDIUM PRESSURE STEAM |
| MRB |
MARBLE |
| MRD |
METAL ROOF DECK |
| MSR |
MEASURE |
| MTD |
MOUNTED |
| MTL |
METAL |
| MTLFR |
METAL FRAME |
| MNT |
MUNTIN |
| MULL |
MULLION |
· · · · · · ·
N
| N |
NORTH |
| N/A |
NOT APPLICABLE |
| NC |
NEW CONTOUR |
| NE |
NOT EQUAL TO |
| NEG |
NEGATIVE |
| NGT |
NOT GREATER THAN |
| NIC |
NOT IN CONTACT |
| NLT |
NOT LESS THAN |
| NO |
NUMBER |
| NOM |
NOMINAL |
| NRC |
NOISE REDUCTION COEFFICIENT |
| NTS |
NOT TO SCALE |
· · · · · · ·
O
| OA |
OVERALL generally; OUTSIDE AIR for
HVAC |
| OC |
ON CENTER |
| OD |
OUTSIDE DIAMETER |
| OE |
OVERHEAD ELECTRIC |
| OFL |
OVER FLOOR LEVEL |
| OFFL |
OVER FINISH FLOOR LEVEL |
| OGL |
OVER GRADE LEVEL |
| OH |
OVERHEAD |
| O.H. |
OVERHANG |
| OJ |
OPEN WEB JOIST |
| OPG |
OPENING |
| OPH |
OPPOSITE HAND |
| OPP |
OPPOSITE |
| OTL |
OUTLET |
· · · · · · ·
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