| 单词 | chemistry |
| 释义 | chemistry (once / 409 pages) 1n 2n Chemistry is the science that tells us what things and people are made of; for example, that water is really H2O, two atoms of hydrogen and one of oxygen. Chemistry deals with chemicals and elements, the building blocks of our world. The periodic table, that table of all of earth's basic elements — iron, carbon, oxygen, nitrogen, etc. — comes from chemistry. Chemistry explains how atoms attract each other to become molecules. We also use the term to refer to people who are attracted to each other, either as colleagues, friends or romantic partners. Movie reviewers often say that that romantic leads have "great chemistry" — or not. WORD FAMILYchemistry: chemist, chemistries+/chemist: chemists USAGE EXAMPLESFassel said that building “chemistry” throughout the organization would be his top goal, along with establishing an identity. Los Angeles Times(Jan 02, 2017) Their chemistry was on display against fragile Watford on New Year’s Day. New York Times(Jan 02, 2017) “We use the farm to teach chemistry, math, biology,” she explained to me one morning between classes. The New Yorker(Jan 01, 2017) 1 1n the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions Syn|Hypo|Hyper chemical science chemoimmunology, immunochemistry the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies) organic chemistrythe chemistry of compounds containing carbon (originally defined as the chemistry of substances produced by living organisms but now extended to substances synthesized artificially) inorganic chemistrythe chemistry of compounds that do not contain hydrocarbon radicals physical chemistrythe branch of chemistry dealing with the physical properties of chemical substances electrochemistrybranch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions femtochemistrythe branch of chemistry that studies elementary (often very fast) chemical reactions as they occur; the experimental methods are often based on the use of femtosecond laser pulses geochemistrythe chemistry of the earth's crust photochemistrybranch of chemistry that deals with the chemical action of light nuclear chemistry, radiochemistrythe chemistry of radioactive substances surface chemistrythe branch of chemistry that studies processes occurring at interfaces between phases (especially those between liquid and gas) thermochemistrythe branch of chemistry that studies the relation between chemical action and the amount of heat absorbed or generated biochemistrythe organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry phytochemistrythe branch of organic chemistry dealing with the chemistry of plants natural science the sciences involved in the study of the physical world and its phenomena 2n the chemical composition and properties of a substance or object 2the chemistry of soil Hyper substance the real physical matter of which a person or thing consists n the way two individuals relate to each other their chemistry was wrong from the beginning -- they hated each other Syn|Hyper alchemy, interpersonal chemistry social relation a relation between living organisms (especially between people) |
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