Online Google Dictionary

bleaches 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/blēCH/,
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bleaching, present participle; bleached, past tense; bleaches, 3rd person singular present; bleached, past participle;
  1. Whiten by exposure to sunlight or by a chemical process
    • - paper products are bleached with chlorine
    • - permed and bleached hair
  2. Clean and sterilize
    • - a new formula to bleach and brighten clothing
  3. Deprive of vitality or substance
    • - his contributions to the album are bleached of personality
Noun
  1. A chemical (typically a solution of sodium hypochlorite or hydrogen peroxide) used to whiten or sterilize materials

  1. (Bleaching) A bleach is a chemical that removes colors or whitens, often via oxidation. Common chemical bleaches include household chlorine bleach, a solution of approximately 3–6% sodium hypochlorite (NaClO), and oxygen bleach, which contains hydrogen peroxide or a peroxide-releasing compound ...
  2. (bleaching) the process of removing stains or of whitening fabrics, especially by the use of chemical agents
  3. (Bleaching) The technique of applying a chemical agent, usually hydrogen peroxide, to the teeth to whiten them.
  4. (Bleaching) A technique used to restore a discolored tooth to its natural color.
  5. (BLEACHING) The process of restoring discolored or stained wood to its normal color or making it lighter.
  6. (Bleaching) The process of lightening teeth.
  7. (Bleaching) A cosmetic dental procedure that whitens the teeth using a bleaching solution.
  8. (Bleaching) A chemical treatment used to whiten, brighten paper pulp.
  9. (Bleaching) A technique that lightens the color of heavily stained teeth.
  10. (Bleaching) Loss of color, usually caused by exposure to sunlight.
  11. (bleaching) the removal of color or other material by chemical action.
  12. (BLEACHING) Necessary process to remove the natural and artificial impurities in fabrics to obtain clear whites for even dyeing and printing.
  13. (Bleaching) Chemical or laser treatment of natural teeth for whitening effect
  14. (Bleaching) A method of chemically treating wood to provide a lighter, more uniform color.
  15. (BLEACHING) Method used in the paper-making process to produce a bright white paper sheet. It produces dioxins.
  16. (BLEACHING) the process of whitening or depriving objects of colour, an operation incessantly in activity in nature by the influence of light, air and moisture. ...
  17. (Bleaching) A chemical or a natural process used to make a hair colorless or lighter than its usual color. Artificial bleaching removes pigment (color) from the hair and can give the hair a characteristic yellow cast. Harsh or repeated treatments can make the hair shaft brittle.
  18. (Bleaching) A chemical treatment to whiten yarn, fabric, or garments. Bleaching not only removes color, but generally reduces fiber, yarn, and fabric strength.
  19. (Bleaching) A process by which corals expel their colorful zooxanthellae and turn white or pale.
  20. (Bleaching) A process of whitening teeth that uses special compounds usually containing hydrogen peroxide. Sometimes lasers are used in conjunction with these compounds. The over-the-counter whitening products are not the prescription strength that dentists use and are therefore less effective.
  21. (Bleaching) A treatment to reduce natural pigments (carotenoids, chlorophylls and xanthophylls) and other impurities such as cations of iron, copper and zinc.
  22. (Bleaching) Also referred to as teeth whitenings, a cosmetic dentistry technique designed to remove stains and areas of discoloration from the teeth.
  23. (Bleaching) An industrial finishing process that takes off natural and artificial impurities from yarn or fabric. Also a process for laundries to make denim jeans fade.
  24. (Bleaching) Chemical treatment of pulp fibers for the purpose of: (1) increasing pulp brightness, (2) improving cleanliness by disintegrating contaminating particles such as bark, and (3) improving brightness stability by reducing the tendency of bleached pulp to turn yellow. ...
  25. (Bleaching) Elimination or alteration of the pulp color in order to increase the whiteness.