Abbreviations and acronyms

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M

Name Description Related terms
m
metre
MAC
maximum allowable concentration
MAF
multiple application factor
MAMPEC
Marine Antifoulant Model to Predict Environmental Concentrations
MC
APVMA formulation type code for mosquito coil
ME
APVMA formulation type code for micro-emulsion
MEST
mouse ear swelling test
mg
milligram
mg/kg bw/day

milligram per kilogram per body weight per day

MIC
minimal inhibitory concentration or minimum inhibitory concentration
MIC

Minimum inhibitory concentration

MIC50

minimum inhibitory concentration for 50 per cent of strains of the most sensitive relevant organism

µg

microgram

µm

micron or micrometre
min
minute
mL
millilitre
MLS
Manufacturers’ Licensing Scheme (for veterinary chemical products)
MLS-ILC
Manufacturers’ Licensing Scheme Industry Liaison Committee
mm
millimetre
Mn

Number average molecular weight

MOA
mode of action
MOE
margin of exposure
MORAG
Manual of requirements and guidelines (the predecessor of the regulatory guidelines)
MOS
margin of safety
MOU
Memorandum of Understanding
MPN
most probable number
MQL
Manufacturing Quality and Licensing
MRA
Mutual Recognition Agreements on Conformity Standards
MRL
maximum residue limit
mRNA
messenger ribonucleic acid
MRP
multidrug resistance associated protein
MRT
maximum residue tolerance
MS

manufacturer’s specification

MS
mass spectrometry
MSDS
See ‘SDS’
MSL
master seed lot
MTD
maximum tolerated dose
MU
minor use
MV
APVMA formulation type code for vaporising mats

Mw

Weight average