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TOEFL IELTS BNC: 3595 COCA: 3428

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
人造有機化合物
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 混合體，複合物
compound of
Teaching is a compound of several different skills.
教書是多種不同技能的綜合。
Brush on a damp-proofing compound.
刷一層防潮混合劑。
3  TBBan area that contains a group of buildings and is surrounded by a fence or wall 四周有籬笆[圍牆]的建築群
a prison compound
監獄大院
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. 複合詞
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 使惡化，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爾穆特的問題更加嚴重。
2  British EnglishBrE to make a bad action worse by doing more bad things 加劇，惡化
compound a crime/an offence etc
He compounded the offence by calling his opponents liars.
他罵對手是騙子，攻擊又升級了。
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
灰塵和枯花的混合味道
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 以複利計算支付〔利息〕
Interest is compounded quarterly.
利息按季度以複利計算。
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 複眼/複葉等 → 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. 複合名詞/形容詞等
3. compound sentence technical a sentence that has two or more main parts 複合句，並列句 → 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
TOEFL IELTS BNC: 3595 COCA: 3428
compound

noun¹

 1chemical化學品ADJECTIVE | VERB + COMPOUND | COMPOUND + VERB | PREPOSITION ADJECTIVE➤chemical化合物◇Scientists have produced a new chemical compound.科學家製造了一種新的化合物。➤inorganic, organic無機／有機化合物▸➤synthetic合成化合物➤natural天然化合物▸➤molecular, simple分子／簡單化合物◇Dalton believed that the simplest compound of two elements must have one atom of each.道爾頓認為由兩種化學元素組成的最簡單化合物必須含有每種元素的一個原子。➤active, toxic, volatile活性／有毒／揮發性化合物▸➤carbon, iron, etc.碳化合物、鐵化合物等VERB + COMPOUND➤form, make, produce形成化合物；產生化合物◇At the right temperature, the chemicals will form a compound.溫度適宜時，這些化學品就會形成一種化合物。➤develop, synthesize研製／人工合成化合物➤discover, identify發現／鑒定化合物➤isolate分離化合物COMPOUND + VERB➤contain sth化合物包含⋯▸➤be derived from sth, be found in sth, derive from sth, occur化合物來自⋯；化合物可在⋯中找到；化合物產生◇compounds derived from rainforest plants來自雨林植物的化合物PREPOSITION➤compound of⋯化合物◇a compound of oxygen and hydrogen氫氧化合物
compound

noun²

 2area of land and buildings土地及建築區ADJECTIVE | PREPOSITION ADJECTIVE➤military, palace, prison軍營；宮殿群；監獄院落▸➤secure, walled嚴密把守的區域；有圍牆的建築群◇Police are investigating a raid on a secure compound.警方正在調查一起發生在一處嚴密把守的區域中的襲擊事件。PREPOSITION➤in a/the compound, inside a/the compound在建築群內◇life inside the prison compound監獄大院裏的生活
TOEFL IELTS BNC: 3595 COCA: 3428
compound noun
⇨ courtyard (the palace compound) ⇨ mixture (a chemical compound)compound verb
⇨ weaken
TOEFL IELTS BNC: 3595 COCA: 3428
compound
Types of chemical substance: acid, alkali, base...
Mixtures and combinations: mixture, blend, combination...
Relating to prison life: chain, compound, conjugal visit...
Linguistic terms relating to word formation and phrase building: affix, affixation, anaphora...
To make something worse: worsen, compound, escalate...
To mix things, or to become mixed: mix, dissolve, stir in...
Consisting of two or more parts, things or features: quadripartite, dual, composite...
Describing words, clauses and sentences: anaphoric, cataphoric, compound...

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