chemical : Idioms & Phrases

• noun (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  chemical change; chemical action.
  

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• noun an agent that produces chemical reactions
  

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• noun the act of decomposing a substance into its constituent elements
  qualitative analysis.
  

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• noun the force attracting atoms to each other and binding them together in a molecule
  affinity.
  
  • basic dyes have an affinity for wool and silk

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• . See under Attraction.

Webster 1913

• noun a beam balance of great precision used in quantitative chemical analysis
  analytical balance.
  

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• noun a bomb laden with chemical agents that are released when the bomb explodes
  gas bomb.
  

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• noun an electrical force linking atoms
  bond.
  

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• noun (chemistry) a series of linked atoms (generally in an organic molecule)
  chain.
  

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• noun (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  chemical change; chemical action.
  

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• noun (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
  compound.
  

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• noun (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
  decomposition reaction; decomposition.
  

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• noun procedures involved in taking defensive measures against attacks using chemical agents
  chemical defence.
  

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• noun procedures involved in taking defensive measures against attacks using chemical agents
  chemical defence.
  

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• noun a mild form of diabetes mellitus in which there are no overt symptoms but there are abnormal responses to some diagnostic procedures
  latent diabetes.
  

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• noun any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
  element.
  

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• noun that part of the energy in a substance that can be released by a chemical reaction
  

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• noun the branch of engineering that is concerned with the design and construction and operation of the plants and machinery used in industrial chemical processes
  
• noun the activity of applying chemistry to the solution of practical problems
  

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• noun a chemical reaction and its reverse proceed at equal rates
  equilibrium.
  

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• noun a representation of a substance using symbols for its constituent elements
  formula.
  

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• noun (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
  radical; group.
  

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• noun the manufacturers of chemicals considered collectively
  

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• noun a substance producing irritation
  

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• noun (trademark) a liquid that temporarily disables a person; prepared as an aerosol and sprayed in the face, it irritates the eyes and causes dizziness and immobilization
  Mace.
  

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• noun the atomic process that occurs during a chemical reaction
  mechanism.
  
  • he determined unique mechanisms for the photochemical reactions

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• noun a notation used by chemists to express technical facts in chemistry
  

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• noun warfare using chemical agents to kill or injure or incapacitate the enemy
  chemical operations.
  

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• noun any natural phenomenon involving chemistry (as changes to atoms or molecules)
  

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• noun an industrial plant where chemicals are produced
  

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• noun (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  chemical change; chemical action.
  

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• noun a property used to characterize materials in reactions that change their identity
  

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• noun (chemistry) a process in which one or more substances are changed into others
  reaction.
  
  • there was a chemical reaction of the lime with the ground water

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• noun an apparatus for holding substances that are undergoing a chemical reaction
  

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• noun the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
  chemistry.
  

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• noun material produced by or used in a reaction involving changes in atoms or molecules
  chemical.
  

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• noun terrorism using the chemical agents of chemical warfare; can undermine the personal security of citizens
  
  • a good agent for chemical terrorism should be colorless and odorless and inexpensive and readily available and not detectable until symptoms are experienced

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• noun warfare using chemical agents to kill or injure or incapacitate the enemy
  chemical operations.
  

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• noun chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
  

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• noun a global treaty banning the production or acquisition or stockpiling or transfer or use of chemical weapons
  

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E*lec`tro-chem"ic*al adjective

Definitions

1. Of or pertaining to electro-chemistry. Ure.

Webster 1913

• noun (chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction
  equilibrium law.
  

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Me*chan`i*co-chem"ic*al adjective

Definitions

1. Pertaining to, connected with, or dependent upon, both mechanics and chemistry; -- said especially of those sciences which treat of such phenomena as seem to depend on the laws both of mechanics and chemistry, as electricity and magnetism.

Webster 1913

Mi`cro-chem"ic*al adjective

Definitions

1. Of or pertaining to micro-chemistry; as, a micro-chemical test.

Webster 1913

• noun international organization for chemical disarmament; administers the Chemical Weapons Convention
  OPCW.
  

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• noun chemical analysis to determine the amounts of each element in the substance
  quantitative analysis.
  

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