| Subject | English | Maltese |
| chem. | absorbable organic halogen compounds | komposti tal-aloġenu organiċi assorbibbli/organoaloġeni assorbibbli |
| chem. | absorbable organic halogenated compounds | komposti tal-aloġenu organiċi assorbibbli/organoaloġeni assorbibbli |
| chem. | adsorbable organic halogen compounds | komposti tal-aloġenu organiċi assorbibbli/organoaloġeni assorbibbli |
| environ. | alicyclic compound Any substance composed of two or more unlike atoms held together by chemical bonds characterized by straight-chained, branched or cyclic properties | kompost aliċikliku |
| environ. | aliphatic compound Any organic compound of hydrogen and carbon characterized by a straight chain of the carbon atoms | kompost alifatiku |
| environ. | alkyl compound Compound containing one or more alkyl radicals | kompost alikiliku |
| environ. | aromatic compound Compounds characterized by the presence of at least one benzene ring | kompost aromatiku |
| chem. | carbonate compound | karbonat |
| environ., chem. | chemical compound | kompost |
| chem. | chloro-organic compound | sustanza kloroorganika |
| chem. | chloro-organic compound | kompost kloroorganiku |
| IT, nat.sc., geogr. | compound coordinate reference system | sistema ta' referenza ta' koordinati komposti |
| gen. | compound feed | għalf kompost |
| gen. | compound feedingstuff | għalf kompost |
| fin. | compound financial instrument | strument finanzjarju kompost |
| account. | compound financial instruments | strumenti finanzjarji komposti |
| account. | compound instrument | strument kompost |
| chem. | dioxin-like compound | kompost simili għad-diossini |
| med. | endocrine active compound | sustanza li tfixkel is-sistema endokrinali |
| med. | endocrine active compound | interferent endokrinali |
| med. | endocrine disrupting compound | sustanza li tfixkel is-sistema endokrinali |
| med. | endocrine disrupting compound | interferent endokrinali |
| environ. | halogenated compound A substance containing halogen atoms | kompost aloġenat |
| nat.sc., chem. | heavy metal compound | kompost ta' metalli tqal |
| environ. | heterocyclic compound Compound in which the ring structure is a combination of more than one kind of atom | kompost eteroċikliku |
| chem. | inorganic compound | kompost inorganiku |
| chem. | interfering compound | sustanza interferenti |
| chem. | interfering compound | kompost interferenti |
| environ. | lead compound Lead compounds are present as gasoline additives, in paint, ceramic products, roofing, caulking, electrical applications, tubes, or containers. Lead exposure may be due to air, water, food, or soil. Lead in the air is primarily due to lead-based fuels and the combustion of solid waste, coal, oils, and emissions from alkyl lead manufacturers, wind blown dust volcanoes, the burning of lead-painted surfaces, and cigarette smoke. Lead in drinking water comes from leaching from lead pipes, connectors, and solder in both the distribution system and household plumbing | kompost taċ-ċomb |
| chem. | leuco compound | lewkobażi |
| environ. | nitro compound Any one of a class of usually organic compounds that contain the monovalent group, -NO2 (nitro group or radical) linked to a carbon atom | kompost nitrat |
| chem. | organochlorine compound | kompost organoklorurat |
| environ. | organochlorine compound Organic compounds containing a C-Cl bond | kompost organoklorurat |
| chem. | organochlorine compound | organokloru |
| environ. | organohalogen compound Organic compounds containing a C-halogen bond | kompost aloġenat organiku |
| environ. | organometallic compound Molecules containing carbon-metal linkage; a compound containing an alkyl or aryl radical bonded to a metal | kompost metallorganiku |
| chem. | organometallic compound | kompost organometalliku |
| environ. | organonitrogen compound Organic compounds having a C-N bond | kompost organiku nitroġenat |
| environ. | organooxygen compound Compounds, both aliphatic and aromatic, which have a C-O bond, including alcohols, aldehydes, etc. | kompost organiku ossiġenat |
| environ. | organophosphorous compound Pesticides that contain phosphorous; short-lived, but some can be toxic when first applied | kompost organofosforiku |
| environ. | organosilicon compound Any natural substance composed of two or more unlike atoms held together by chemical bonds and containing silicon, a non-metallic element often found in rocks or minerals | kompost organosilikoniku |
| environ. | organosulphur compound One of a group of substances which contain both carbon and sulfur | kompost organiku tal-kubrit |
| environ. | organotin compound Chemical compounds used in anti-foulant paints to protect the hulls of boats and ships, buoys and pilings from marine organisms such as barnacles | komposti organostanniċi |
| chem. | perfluorinated compound | kompost perfluworurat |
| agric., chem. | quaternary ammonium compound | kompost tal-ammonju kwaternarju |
| chem. | racemic compound | kompost raċemiku |
| environ. | substitution of halogenated compounds Halogenated compounds, because of their toxical and persistent character, should be substituted by environmental friendly compounds, like water-based fat solvents in metal processing industry or water-based coating agents | sostituzzjoni ta' komposti aloġenati |
| environ. | surface active compound Any soluble substance composed of two or more unlike atoms held together by chemical bonds that reduces interfacial tension between liquids or a liquid and a solid, often used as detergents, wetting agents and emulsifiers | kompost tensjoattiv |
| chem. | unretained organic compound | kompost organiku mhux miżmum |
| environ. | volatile organic compound | kompost organiku volatili |
| environ. | volatile organic compound Organic compound readily passing off by evaporation | kompost organiku volatili |