Dictionary Workbench Ondict

compound

Dictionary entry view. Switch to definition mode above when you know the meaning but not the word.

compound

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++com·pound1 /ˈkɒmpaʊnd $ ˈkɑːm-/ ●●○ AWL noun [countable]  1 HCC technical a substance containing atoms from two or more elements 化合物 element man-made organic compounds 人造有机化合物compound of Sulphur dioxide is a compound of sulphur and oxygen. 二氧化硫是硫和氧的化合物。2 MIXa combination of two or more parts, substances, or qualities 混合体,复合物compound of Teaching is a compound of several different skills. 教书是多种不同技能的综合。 Brush on a damp-proofing compound. 刷一层防潮混合剂。3 TBBan area that contains a group of buildings and is surrounded by a fence or wall 四周有篱笆[围墙]的建筑群 a prison compound 监狱大院4. 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. 复合词nCOLLOCATIONSADJECTIVES/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.
Related topics: Finance
com·pound2 /kəmˈpaʊnd/ AWL verb [transitive]  1 WORSEto make a difficult situation worse by adding more problems 使恶化,加重compound a problem/difficulty etc Helmut’s problems were compounded by his lack of concentration. 注意力不集中使得赫尔穆特的问题更加严重。2 British English to make a bad action worse by doing more bad things 加剧,恶化compound a crime/an offence etc He compounded the offence by calling his opponents liars. 他骂对手是骗子,攻击又升级了。3 be compounded of something formal to be a mixture of things 由某物混合而成 a smell compounded of dust and dead flowers 灰尘和枯花的混合味道4 American EnglishBF to pay interest that is calculated on both the sum of money and the interest 以复利计算支付〔利息〕 Interest is compounded quarterly. 利息按季度以复利计算。
→ See Verb table
Examples from the Corpus
compoundScientists are able to compound an increasing number of substances to produce new drugs.The country's economic woes were compounded by a seven-year civil war.Brian was lost in booze and drugs, compounded by paranoia and a deep sense of failure.This is compounded by point 2 to 4 following. 2.The effects of the East Coast snows this year were compounded by severe storms in the spring.John and Val's domestic problems were compounded by stress at work.Suspicions raised by the Whitewater deal are compounded by two other events.My bank compounds interest quarterly.It is rather as a precaution against compounding one media mistake with another.Strong nationalist sentiment is compounding the deep political problems faced by the President.But in this case, the director of field operations, abetted by other headquarters personnel, compounded the problem.Mr Singh's letter compounded this.
com·pound3 /ˈkɒmpaʊnd $ ˈkɑːm-/ AWL adjective technical  1. compound eye/leaf etc technical a single eye, leaf etc that is made up of two or more parts 复眼/复叶等 simple2. compound noun/adjective etc technical a noun, adjective etc that is made up of two or more words. For example, ‘ice cream’ is a compound noun. 复合名词/形容词等3. compound sentence technical a sentence that has two or more main parts 复合句,并列句 complex sentence
Examples from the Corpus
compoundFirst, insects have compound eyes consisting of up to several thousand optical units called ommatidia, each with a single lens.The present-value formula may be derived directly from the compound interest formula.But the precise figure would be 10.7 per cent because of the effect of compound interest.
From Longman Business Dictionarycompoundcom‧pound /kəmˈpaʊndkɑːmˈpaʊnd, ˈkɑːmpaʊnd/ verb [transitive] American English FINANCE to pay interest on both a sum of money and the interest already earned on itMy bank compounds interest quarterly.→ See Verb tableOrigin compound1 1. (1500-1600) → COMPOUND32. (1600-1700) Malay kampong group of buildings, village compound2 (1500-1600) Old French compondre, from Latin componere, from com- ( → COM-) + ponere to put compound3 (1400-1500) Past participle of compoun to compound ((14-17 centuries)), from Old French componre, from Latin componere; → COMPOUND2
substance or a Corpus atoms containing two elements Business more from


compound
I
compound1 AC /ˈkɒmpaʊnd $ ˈkɑːm-/ noun [countable]
 Sense 1-2,4
 Date: 1500-1600
 Origin: compound3
 Sense 3
 Date: 1600-1700
 Language: Malay
 Origin: kampong 'group of buildings, village'
1. technical a substance containing atoms from two or more elementselement:
    man-made organic compounds
    compound of
    Sulphur dioxide is a compound of sulphur and oxygen.
2. a combination of two or more parts, substances, or qualities
    compound of
    Teaching is a compound of several different skills.
    Brush on a damp-proofing compound.
3. an area that contains a group of buildings and is surrounded by a fence or wall:
    a prison compound
4. 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.
     
COLLOCATIONS
■ ADJECTIVES/NOUN + compound
    an organic compound (=containing carbon) the organic compounds of which living things are made
    an inorganic compound (=not containing carbon)
    a chemical compound (=formed by a chemical process involving two or more elements)
    a carbon/nitrogen/sulphur etc compound Use a copper compound to protect the trees from pests.
    a toxic/dangerous compound (=containing poisonous or harmful substances) toxic compounds such as heavy metals
■ verbs
    form a compound Atoms combine in specific ways to form chemical compounds.
    a compound contains something This compound contains two atoms of nitrogen and four atoms of hydrogen.
     
THESAURUS
■ a mxture of chemical substances
    compound a chemical substance that contains atoms of two or more elements: common chemical compounds such as sodium chloride
    solution a liquid mixed with a solid or a gas: a weak sugar solution

II
compound2 AC /kəmˈpaʊnd/ verb [transitive]
 Date: 1500-1600
 Language: Old French
 Origin: compondre, from Latin componere, from com- ( ⇨ COM-) + ponere 'to put'
1. to make a difficult situation worse by adding more problems
    compound a problem/difficulty etc
    Helmut’s problems were compounded by his lack of concentration.
2. British English to make a bad action worse by doing more bad things
    compound a crime/an offence etc
    He compounded the offence by calling his opponents liars.
3. be compounded of something formal to be a mixture of things:
    a smell compounded of dust and dead flowers
4. American English to pay interest that is calculated on both the sum of money and the interest:
    Interest is compounded quarterly.

III
compound3 AC /ˈkɒmpaʊnd $ ˈkɑːm-/ adjective technical
 Date: 1400-1500
 Origin: Past participle of compoun 'to compound' (14-17 centuries), from Old French componre, from Latin componere; compound2
1. compound eye/leaf etc a single eye, leaf etc that is made up of two or more parts ⇨ simple
2. compound noun/adjective etc a noun, adjective etc that is made up of two or more words. For example, ‘ice cream’ is a compound noun.
3. compound sentence a sentence that has two or more main parts ⇨ complex sentence


com·pound AW nounBrE /ˈkɒmpaʊnd/ 🔊NAmE /ˈkɑːmpaʊnd/ 🔊a thing consisting of two or more separate things combined together 复合物;混合物(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

acid, catalyst, chemistry, compound, formula, molecule, pH, react, solution, valency

(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)a prison compound监狱场地
com·pound AW adjectiveBrE /ˈkɒmpaʊnd/ 🔊NAmE /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-skinnedA compound sentence contains two or more clauses. 复合句包含两个或多个从句。🔊🔊
com·pound AW verbpresent simple - I / you / we / they compound BrE /kəmˈpaʊnd/ 🔊 NAmE /kəmˈpaʊnd/ 🔊present simple - he / she / it compounds BrE /kəmˈpaʊndz/ 🔊 NAmE /kəmˈpaʊndz/ 🔊past simple compounded BrE /kəmˈpaʊndɪd/ 🔊 NAmE /kəmˈpaʊndɪd/ 🔊past participle compounded BrE /kəmˈpaʊndɪd/ 🔊 NAmE /kəmˈpaʊndɪd/ 🔊 -ing form compounding BrE /kəmˈpaʊndɪŋ/ 🔊 NAmE /kəmˈpaʊndɪŋ/ 🔊BrE /kəmˈpaʊnd/ 🔊NAmE /kəmˈpaʊnd/ 🔊 [often passive] ~ sth to make sth 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。🔊🔊be compounded of/from sth (formal) to be formed from sth 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] ~ sth (with sth) (formal or specialist) to mix sth together 混合;掺和;拌和liquid soaps compounded with disinfectant用消毒剂混合制成的皂液~ sth (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)