| 释义 |
noun | verb | adjective compoundcompound1 /ˈkɑmpaʊnd/ ●●○ AWL noun ETYMOLOGYcompound1Origin: (1-2,4) 1500-1600 ➔ COMPOUND3 (3) 1600-1700 Malay kampong group of buildings, village THESAURUS a combination of two or more people, things, feelings, or ideas that are different► mixture a combination of two or more people, things, feelings, or ideas that are different: His work is a mixture of photography and painting. She felt a mixture of concern and anger. ► combination two or more different things, substances, etc. that are used or put together: Doctors use a combination of drugs to combat the disease. ► blend a mixture that contains different types of the same thing: The coffee is a blend of dark and light roasts with flavors that go well together. ► compound a chemical substance that contains atoms of two or more elements: Carbon dioxide is a common compound found in the air. ► solution a liquid mixed with a solid or a gas: You can use a sugar solution called a simple syrup to sweeten drinks. ► cross a mixture of very different things. Used especially to describe what something looks or sounds like: I heard this terrifying sound, like a cross between a police siren and a howler monkey. ► hybrid something that uses a combination of two things that already exist to produce a completely new variety with characteristics of both: The car’s engine is a hybrid of a gasoline and an electric engine. ► synthesis formal something that has been made by combining different things, especially information or ideas: The essay should be a synthesis of the information from various sources. 1[countable] an area that contains a group of buildings and is surrounded by a fence or wall: a prison compound the U.S. Embassy compound2[countable] science, chemistry a substance containing atoms from two or more elements that together make a different substance. There has to be a fixed quantity of atoms. For example, water is made up of two atoms of hydrogen for every one atom of oxygen: an organic compoundcompound of Sulfur dioxide is a compound of sulfur and oxygen.► see thesaurus at mixture3a compound of something a combination of two or more qualities or parts: Communication ability is a compound of several different skills.4[countable, uncountable] science something that consists of a combination of two or more substances: a rubber compound5[countable] eng. lang. arts in grammar, a noun, adjective, or verb made up of two or more words. For example, the noun “ice cream” is a compound. noun | verb | adjective compoundcompound2 /kəmˈpaʊnd/ ●○○ AWL verb [transitive] ETYMOLOGYcompound2Origin: 1500-1600 Old French compondre, from Latin componere, from com- + ponere to put VERB TABLEcompound |
| Present | I, you, we, they | compound | | he, she, it | compounds | | Past | I, you, he, she, it, we, they | compounded | | Present perfect | I, you, we, they | have compounded | | he, she, it | has compounded | | Past perfect | I, you, he, she, it, we, they | had compounded | | Future | I, you, he, she, it, we, they | will compound | | Future perfect | I, you, he, she, it, we, they | will have compounded |
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| Present | I | am compounding | | he, she, it | is compounding | | you, we, they | are compounding | | Past | I, he, she, it | was compounding | | you, we, they | were compounding | | Present perfect | I, you, we, they | have been compounding | | he, she, it | has been compounding | | Past perfect | I, you, he, she, it, we, they | had been compounding | | Future | I, you, he, she, it, we, they | will be compounding | | Future perfect | I, you, he, she, it, we, they | will have been compounding |
noun | verb | adjective compoundcompound3 /ˈkɑmpaʊnd, kɑmˈpaʊnd/ ●○○ AWL adjective ETYMOLOGYcompound3Origin: 1400-1500 Past participle of compoun to compound (14-17 centuries), from Old French componre, from Latin componere; ➔ COMPOUND2 1compound noun/adjective/verb eng. lang. arts a noun, adjective, or verb that is made up of two or more words. For example, “ice cream” is a compound noun.2compound sentence eng. lang. arts a sentence made up of at least two independent clauses. For example, “The door opened and Charlie walked in” is a compound sentence.3a compound eye/leaf etc. science, biology a single eye, leaf, etc. that is made up of two or more parts or substances |