Online Google Dictionary

chemicals 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈkemikəl/,
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chemicals, plural;
  1. A compound or substance that has been purified or prepared, esp. artificially
    • - never mix disinfectant with other chemicals
    • - controversy arose over treatment of apples with this chemical
  1. (chemical) relating to or used in chemistry; "chemical engineer"; "chemical balance"
  2. (chemical) material produced by or used in a reaction involving changes in atoms or molecules
  3. Scars on Broadway is the debut album by Scars on Broadway, a band consisting of System of a Down members Daron Malakian and John Dolmayan. The album contains fifteen tracks, all written by Malakian.
  4. (Chemical (Joseph Arthur song)) "Chemical" is the first single from Joseph Arthur's second studio album Come to Where I'm From. The single was released in the UK and Australia on June 26, 2000 via Real World Records and Virgin Records. The single is long out of print and is now hard to find. ...
  5. (chemical) In science, chemicals are elementary substances such as oxygen, hydrogen, nitrogen, etc. In the context of home composting, however, the word "chemical" is often used to describe a philosophy considered to be in opposition to the organic philosophy. ...
  6. (Chemical) As well as dead organic matter, the earthworm also ingests any other soil particles that are small enough—including stones up to 1/20 of an inch (1.25mm) across—into its gizzard wherein minute fragments of grit grind everything into a fine paste which is then digested in the stomach. ...
  7. (chemical) a substance; any form of matter
  8. (Chemical) A substance formed by altering the molecular structure of an element or by combining two or more elements to form a new substance.
  9. (Chemical) A substance that: 1) An organic chemist turns into a foul odor; 2) an analytical chemist turns into a procedure; 3) a physical chemist turns into a straight line; 4) a biochemist turns into a helix; 5) a chemical engineer turns into a profit.
  10. (Chemical) A substance used in conjunction with, or associated with, a land use activity or a particular entity, and with the potential to adversely affect water quality.
  11. (Chemical) Any substance that can change when joined or mixed with another.
  12. (Chemical) Cutting fluid containing no mineral oil. Used with water.
  13. (Chemical) Everything you see and touch except for light and electricity.
  14. (Chemical) Involves the application of one or other of an already wide but ever-increasing range of chemicals, some of which cause the death of many species of weeds and also useful plants. ...
  15. (Chemical) Metals can usually be oxidized easily. They can react with an acid in a single displacement reaction and the result would be hydrogen gas. Sodium and calcium can react with water to make a base. ...
  16. (Chemical) Most gardeners today use the term to mean synthetically derived materials, often with the implication that they are less safe to use than naturally derived pesticides and fertilizers. The truth is that they are all chemicals. ...
  17. (Chemical) Most substances in the universe.
  18. (Chemical) One cause for corrosion in pipes; chemicals that can cause corrosion include carbon dioxide, oxygen, hydrogen sulfide, hydrochloric acid, chloride, and sulfuric acid.
  19. (Chemical) Refers to unpleasant smells or tastes from fermentation (often of sulphur or nail polish).
  20. (Chemical) This refers to attacks using man-made chemicals (as opposed to naturally occurring biological agents). This includes mustard gas, nerve gas, and tear gas. See also Biological.
  21. (Chemical) Water quality is assessed by measuring a variety of chemical substances (as well as biological and physical characteristics). All matter is composed of chemicals - even water (the familiar H2O). Most of the chemicals in water such as calcium, sodium and bicarbonate are natural.
  22. (Chemical) ether is especially active in the assimilation and excretion of food.
  23. (Chemical) irritants that have been implicated in lung disease include sulfur dioxide, nitrogen dioxide, ammonia, acid, and chloride, which are quickly absorbed by the lining of the lungs. ...
  24. (Chemical) polarity, also known as bond polarity or just polarity, is a concept in chemistry which describes how equally bonding electrons are shared between atoms.
  25. (chemical) (KEM uh kuhl) — a substance made up of atoms or molecules