English version

Topic: Compounds

From Longman Dictionary of Contemporary Englishcompoundcom‧pound1 /ˈkɒmpaʊnd $ ˈkɑːm-/ ●●○ AWL noun [countable]  1 HCC technical a substance containing atoms from two or more elementselement man-made organic compoundscompound of Sulphur dioxide is a compound of sulphur and oxygen.2 MIXa combination of two or more parts, substances, or qualitiescompound of Teaching is a compound of several different skills. Brush on a damp-proofing compound.3 TBBan area that contains a group of buildings and is surrounded by a fence or wall a prison compound4 SLG technical a noun, adjective etc that is made up of two or more words. The noun ‘flower shop’ and the adjective ‘self-made’ are compounds.COLLOCATIONSADJECTIVES/NOUN + compoundan organic compound (=containing carbon)the organic compounds of which living things are madean inorganic compound (=not containing carbon)a chemical compound (=formed by a chemical process involving two or more elements)a carbon/nitrogen/sulphur etc compoundUse a copper compound to protect the trees from pests.a toxic/dangerous compound (=containing poisonous or harmful substances)toxic compounds such as heavy metalsverbsform a compoundAtoms combine in specific ways to form chemical compounds.a compound contains somethingThis compound contains two atoms of nitrogen and four atoms of hydrogen.
Examples from the Corpus
compoundThe second way was to find a compound which would compete for or block the inactivating enzyme.Sulfur dioxide is a compound of sulfur and oxygen.Freebase is a compound that can be inhaled or smoked.The Special Forces adviser compound in Pleiku had showers.A binary compound contains two elements.Sulphur dioxide and carbon dioxide are two common chemical compounds.Marines protect the U.S. Embassy compound.Then cover the filler wood with a thin layer of joint compound and paper joint-compound tape.Seal all wall joints with joint compound and tape.The soil was tested to make sure that it was free from ammonia or any other nitrogen compound.an organic compoundShe knew the meeting place; the pool in the little park on the south side of the palace compound.It is probably very rare for consciousness to scan every component of a particular compound of limitation.The upshot: A decade later, this compound and some other persistent pesticides were banished.