Glossary of
Chemistry &
Environmental
Protection: terms & abbreviations
Dutch-English,
French-English,
German-English
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NAA
= 1. naphthalenacetic acid; 2. neutron activation analysis /
Nachsorge
= aftercare (of landfill sites
e.g.) / Nachweisgrenze
= limit of
detection, see LOD
(and cf.
Bestimmungsgrenze) / Nachweltschutz
= intergenerational
equity / NAD
= nicotinamide adenine dinucleotide / Nährboden
= culture medium (microbiol.) /
Nalidixinsäure
= nalidixic acid /
nanotubes de
carbone mono-feuillets =
single-walled carbon nanotubes /
nanotubes de carbone multi-feuillets = multi-walled
carbon
nanotubes /
nappe
libre = free groundwater (hydrol.)
/ nappe
phréatique =
water table (NB FR often uses
this in sense
of 'n. souterraine', so 'pollution de la nappe
phréatique' = 'groundwater pollution', not 'pollution of the
water table' / nappe
souterraine = groundwater /
napropamide
(pest.)
/ à l'état natif
= native (in a chemically
uncombined state, i.e. pure): native minerals include most metals, also
sulphur, graphite, diamond; one
exception is iron, found in the pure form in meteorites, but not on
Earth / National
Sulphuric
Acid
Association Ltd (UK)
/ natriumcarbonaat
= sodium
carbonate, see soda
/ Natriumcocylglutamat = sodium cocyl glutamate / natron
= 1.
sodium carbonate, see soda;
2. sodium
hydroxide / Natronlauge
= caustic
soda, sodium lye, sodium
hydroxide solution, aqueous sodium hydroxide (NaOH) / naturnah
= ecologically-based / naturnaher
Waldbau = ecoforestry / NBC
= nuclear, biological and chemical (warfare)
/ NBR
=
nitrile butadiene rubber / NBT
= nitroblue tetrazolium (dyestuff)
/ NE = nicht-Eisen
= non-ferrous (metals)
/ neige
carbonique = dry ice / NEPA
= National Environmental
Protection Act (USA)
/ NIA =
Nederlands Instituut voor Arbeidsomstandigheden
= (suggest)
Netherlands Institute for Working Conditions (OSH)
/ NIBSC =
National Institute for Biological Standards and Control (UK)
/ NICI
= negative ion chemical
ionisation (spectrometer)
/ nicotinezuur
= niacin;
nicotinic acid / NIEH
= National Institute of Environmental
Health Sciences (USA)
/ NIMBY
= "not in my back yard" (objection
to development, esp. UK)
/ NiS
= nickel monosulphide / Ni3S2
= nickel subsulphide / nitroglycérine
= nitroglycerin / nitros:
nitrose Gase
= nitrous gases; oxides of nitrogen (in
gaseous
form; in the occupational context often NO2
(welding fumes
e.g.)) / Nm3/h
= normal metres per hour (indoor
air quality; more commonly expressed as m3/h
stp) / NMP
= Nationaal Milieubeleidplan (NL)
= (suggest)
National Policy Plan for the Environment / NNI
= Noise and
Number Index (aircraft noise,
devised for London's Heathrow Airport)
/ NOAA
= National Oceanic and Atmospheric Administration (USA)
/ NOx
= oxides of
nitrogen; nitrogen oxides (collectively:
nitrous oxide N2O;
nitric oxide NO and nitrogen dioxide NO2)
/ NPB =
n-propyl
bromide (ozone-depleting
chemical) / NR
= 1. natural rubber; 2. nitrile rubber; 3. noise rating / NRA
=
1. National Rivers Authority (UK);
2. natural resources accounting / NSA
= nitrate sensitive areas
(UK)
/
NSC
= National
Safety
Council (OSH, USA)
/ NSQR
= North Sea
Quality Status Report / NTA
= nitriloacetic acid / NTP
= normal temperature and pressure (0oC
and 760 mmHg)
/ Null-Variante
= zero option / NUP =
Nationaler
Umweltsplan für Österreich
= (suggest)
Austrian National
Environmental Plan / NVCA =
Nederlandse Vereniging van Verwerkers
van Chemische Afvalstoffen = (suggest)
Netherlands
Association of Chemical Waste Processors / NWG
=
Nachweisgrenze, see
LOD
Created
by Alison Gaunt
Last updated: 16 February 2018
