Glossary of
Chemistry &
Environmental
Protection: terms & abbreviations
Dutch-English,
French-English,
German-English
Page
M

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M
= Haldane's affinity factor; the
Haldane constant (tox.)
/ MAB =
Man and Biosphere Programme / mâchefers
=
clinker; slag
(waste incineration)
/ Magnetrührverfahren
= magnetic stirring (digestion) method / maillard
produkten =
Maillard products, mutagenic
organic compounds created by the
Maillard reaction when natural products are heated, responsible for
e.g. the taste of grilled meat /
malaoxon
(pest.)
/ maleic
hydrazide (pest.)
/ mancozeb
(pest.)
/ maneb
(pest.)
/ MAR =
maximum acceptable residue (tox.)
/ marble bed absorber (type
of scrubber) / MARL
=
maximum acceptable risk level / MATC
= 1. maximum acceptable
tolerated concentration; 2. maximum acceptable toxicant concentration /
MBAS
= methylene blue active substances (dyestuffs)
/ MBC
= (syn. BMC)
= methyl benzimidazole 2 yl carbamate (the
fungicide carbendazim) / MBT
= Milieu-Beleid Tuinbouw (NL)
= (suggest)
Environmental
Policy for Horticulture / MCL
= maximum contaminant level (USA-EPA;
also known as the "drinking water
standard") / MEA
= multilateral environmental agreement (WTO)
/ mecoprop, mecoprop-P
(pest.)
/ MCPA =
2-methyl-4-chlorophenoxyacetic acid / MCPB
=
methylchlorophenobutyric acid / MEB
= microscope éléctronique à
balayage = scanning electron
microscope (microscopy) (SEM) / Mehrfachzucker
= polysaccharide / MEK
= methyl ethyl ketone (solvent)
/
MER = milieu-effectenrapportage
= environmental impact
assessment / merbromine
= merbromin; mercurochrome / Meßkolben
= volumetric flask, marked TC
(to contain) or TD (to deliver) /
Meßpipette = graduated
pipette; variable volume pipette / MES
=
matières en suspension = suspended solids; suspended matter;
suspended
particulates, see also
MEST;
MST
/ MEST;
MST
= matières en suspension totales,
see
TSS)
/ MET
= microscope éléctronique à
transmission = transmission
electron
microscope (TEM) / metam-sodium
(pest.)
/ methabenzthazuron
(pest.)
/ méthanisation
= anaerobic digestion (waste
management) / methazole
(pest.)
/ methoxychlor
(pest.)
/ methyl bromide
/ metoxuron
(pest.)
/ MFA
= muffle furnace ashing / MIBK
= methyl isobutyl
ketone / MIC
= methyl isocyanate (tox.)
(agent responsible for Bhopal
accident, India 1984) / microgranules
neutres = neutral pellets (pharm.)
/ micro-pipette
(with
hyphen - BS, vols. less than 1 ml)
/ micropipette à
déplacement
positif = positive displacement
micro-pipette / mierezuur
=
formic acid / Mietenverfahren
= piling (biopile)
/ MIK =
Maximale Immissionskonzentration (D)
= maximum immission concentration (tox.);
this is an ambient
limit for certain air pollutants
(contrast MAK). Definition:
the maximum outdoor
atmospheric concentration measured at ground level or in dust and the
maximum quantity precipitated on to the ground which at current levels
of scientific knowledge is believed not to be harmful to humans,
animals and plants / Milchsaft
= latex / milieu
=
medium; environment /
Mineralöl
= 1. mineral oil (refinded
distillate of petroleum, with many
uses in industy as e.g. lubricant and in medicine as laxative; synonyms
"liquid petrolatum", paraffin oil");
2. petroleum; oil (non-specialist
use as syn. for Erdöl)
/
MINK region
(USA)
(Missouri,
Iowa,
Nebraska
and Kansas:
subject of climate study by US Department of Energy)
/ mirex
(pest.)
/ MLVSS
= mixed liquor volatile suspended solids
(effluent treatment)
/ MMAD
= mass median aerodynamic diameter (particle
sampling) / MMD
= mass median diameter (particles)
/
MMH
= methyl mercury hydroxide / MOCA
=
methylene-2-0-chloraniline / teneur moléculaire
= molality / Monoelementlampe
= single element lamp (spectrophot.)
/ MOOR (D)
= (generically) mire (defined: "stretch of
swampy or boggy
ground", "area of deep, wet, sticky earth"). Classification: "bogs" if
fed by precipitation, and "fens" if fed by groundwater, surface run-off
or precipitation. EN terminology is somewhat fluid.
Durchströmungsmoor = percolation mire / Flächenmoor =
blanket bog / Flusstalniedermoor = valley fen; valley mire / Hochmoor =
raised bog / Hoch- und Niedermoore (EU Habitats
Directive heading) =
"Raised bogs and mires and fens" / Niedermoor = fen / Quellmoor =
spring fen; spring mire / Schwingmoor = floating fen; quaking bog;
?quagmire / Überflutungsmoor = floodplain mire; floodplain fen
/ Verlandungsmoor = terrestrialised fen, cf. Verlandung
/ MOPS
=
morpholino-propane sulphonic acid / MOS
= margin of safety / mouvements
(of personnel around a
laboratory) = "traffic" /
MPI =
Milieuplan Industrie (NL)
/ MPN test
= most probable number test (bacterial
count e.g.) / MPP
= 1. methyl-phenylpyridinium; 2. Milieu-Praktijkplan
(NL)
= (suggest)
Practical Plan for
the Environment / MTPT =
methyl-phenyl-tetrahydropuridine / MRF
= 1. materials recovery facility
(waste);
2. municipal
recycling facility (waste)
/ MRM
= multiresidue method (tox.)
/ MS
= mass spectrometry / MSDS
= material
safety data sheet (OSH)
/ MSW
= municipal solid wastes /
MTBE
= methyl tertiary butyl ether (ingredient
in unleaded
petrol) / MTR
= maximaal toelaatbare risico(niveau)
=
maximum acceptable risk level (MARL) / MTT
= maximaal toelaatbare
tolerantie = maximum acceptable
toxicant concentration (MATC) / Müllschieber
= waste trafficker / multifilière
=
multistream (waste
processing) / MVT
= moisture vapour transmission / MW
= molecular weight
Created
by Alison Gaunt
Last updated: 2 May 2019