compound

noun

/ˈkɒmpaʊnd/

/ˈkɑːmpaʊnd/

a thing consisting of two or more separate things combined together复合物；混合物
- compounds derived from rainforest plants来自雨林植物的化合物
- The air smelled like a compound of diesel and petrol fumes.空气闻起来像是柴油和汽油混在一起发出的强烈气味。
Topics Languageb2
(chemistry化学) a substance formed by a chemical reaction of two or more elements in fixed amounts relative to each other化合物
- Common salt is a compound of sodium and chlorine.普通食盐是钠和氯的化合物。
compare element, mixture
Wordfinder
- acid
- catalyst
- chemistry
- compound
- formula
- molecule
- pH
- react
- solution
- valency
- Dalton believed that the simplest compound of two elements must have one atom of each.道尔顿认为由两种化学元素组成的最简单化合物必须含有每种元素的一个原子。
- Scientists have produced a new chemical compound.科学家制造了一种新的化合物。
- a compound of oxygen and hydrogen氢氧化合物
- Proteins and fats are organic compounds.蛋白质和脂肪是有机化合物。
Topics Physics and chemistryb2
Collocations Dictionary
adjective
- chemical
- inorganic
- organic
- …
verb + compound
- form
- make
- produce
- …
compound + verb
- contain something
- be derived from something
- be found in something
- …
preposition
- compound of
(grammar语法) 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.复合词
- Most compound nouns form their plurals in the usual way.大多数复合名词以通常的方式构成复数。
an area surrounded by a fence or wall in which a factory or other group of buildings stands有围栏（或围墙）的场地（内有工厂或其他建筑群）
- life inside the prison compound监狱大院里的生活
- Police are investigating a raid on a secure compound.警方正在调查一起发生在一处严密把守的区域中的袭击事件。
- Angry crowds stormed the presidential palace compound.愤怒的人群袭击了总统府大楼。
Collocations Dictionary
adjective
- military
- palace
- prison
- …
preposition
- in a/the compound
- inside a/the compound

词源noun 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’.

compound

adjective

/ˈkɒmpaʊnd/

/ˈkɑːmpaʊnd/

[only before noun] (specialist)

formed of two or more parts复合的
- a compound adjective, such as fair-skinned复合形容词，如 fair-skinned
- A compound sentence contains two or more clauses.复合句包含两个或多个从句。
Topics Languageb2
词源adjective 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.

compound

verb

/kəmˈpaʊnd/

动词形式

present simple I / you / we / they compound	/kəmˈpaʊnd/ /kəmˈpaʊnd/
he / she / it compounds	/kəmˈpaʊndz/ /kəmˈpaʊndz/
past simple compounded	/kəmˈpaʊndɪd/ /kəmˈpaʊndɪd/
past participle compounded	/kəmˈpaʊndɪd/ /kəmˈpaʊndɪd/
-ing form compounding	/kəmˈpaʊndɪŋ/ /kəmˈpaʊndɪŋ/

compound something to make something bad become even worse by causing further damage or problems使加重；使恶化
- The problems were compounded by severe food shortages.严重的食物短缺使问题进一步恶化。
- The Chancellor compounded the situation by ruling out an early cut in interest rates.财政大臣排除了提前降息的可能性，使情况更加复杂。
be compounded of/from something
(formal) to be formed from something由…构成（或形成）
- The DNA molecule is compounded from many smaller molecules.脱氧核糖核酸分子是由许多更小的分子组成的。
[often passive] (formal or specialist) to mix something together混合；掺和；拌和
- (be) compounded with something liquid soaps compounded with disinfectant用消毒剂混合制成的皂液
compound something (finance金融) to pay or charge interest on an amount of money that includes any interest already earned or charged支付，收取（复利）

词源verb 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.

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