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compound

Word family 
Related topics: Compounds, Buildings, Grammar, Linguistics
com·pound1 /ˈkɒmpaʊnd $ ˈkɑːm-/ ●●○ AWL noun [countableC]  
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
n 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.
Examples from the Corpus
compound• The 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 compound• She 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 [transitiveT]  
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 EnglishBrE 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
Examples from the Corpus
be compounded of something• This time, when his glance slid over her, his scrutiny was compounded of interest and a totally male appreciation.
4  American EnglishAmEBF 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。
Examples from the Corpus
compound• Scientists 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 adjectiveadj 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 → simple
Examples from the Corpus
compound eye/leaf etc• Instead, it forms a huge domed shield on the front of which are two bean-shaped compound eyes.• It forms the greater part of the brain and innervates the compound eyes and ocelli.• The silverfish, for example, has compound eyes but others in the group are blind.• First, insects have compound eyes consisting of up to several thousand optical units called ommatidia, each with a single lens.• That portion of the epicranium which lies immediately behind the frons and between the compound eyes is termed the vertex.• There is not only one way, as is demonstrated by the compound eyes of arthropods.
2. 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
compound• First, 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 Dictionary
compoundcom·pound /kəmˈpaʊndkɑːmˈpaʊnd, ˈkɑːmpaʊnd/ verb [transitiveT] American EnglishAmE
FINANCE to pay interest on both a sum of money and the interest already earned on it
My bank compounds interest quarterly.
Origin compound1
1. (1500-1600) → COMPOUND3
2. (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
com·pound1 noun →n COLLOCATIONS1com·pound2 verbcom·pound3 adjectiveadj
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