- a thing consisting of two or more separate things combined together
- compounds derived from rainforest plants
- The air smelled like a compound of diesel and petrol fumes.
- (chemistry) a substance formed by a chemical reaction of two or more elements in fixed amounts relative to each other
- Common salt is a compound of sodium and chlorine.
Extra ExamplesTopics Physics and chemistryb2- Dalton believed that the simplest compound of two elements must have one atom of each.
- Scientists have produced a new chemical compound.
- a compound of oxygen and hydrogen
- Proteins and fats are organic compounds.
Oxford Collocations Dictionaryadjective- chemical
- inorganic
- organic
- …
- form
- make
- produce
- …
- contain something
- be derived from something
- be found in something
- …
- compound of
- (grammar) a noun, an adjective or a verb made of two or more words or parts of words, written as one or more words, or joined by a hyphen. Travel agent, dark-haired and bathroom are all compounds.
- Most compound nouns form their plurals in the usual way.
- an area surrounded by a fence or wall in which a factory or other group of buildings stands
- life inside the prison compound
Extra Examples- Police are investigating a raid on a secure compound.
- Angry crowds stormed the presidential palace compound.
Oxford Collocations Dictionaryadjective- military
- palace
- prison
- …
- in a/the compound
- inside a/the compound
Word Originnoun senses 1 to 3 late Middle English compoune (verb), from Old French compoun-, present tense stem of compondre, from Latin componere ‘put together’. The final -d was added in the 16th cent. on the pattern of expound and propound. noun sense 4 late 17th cent. (referring to such an area in SE Asia): from Portuguese campon or Dutch kampoeng, from Malay kampong ‘enclosure, hamlet’.
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compound