photolysis

pho·tol·y·sis

P0264900 (fō-tŏl′ĭ-sĭs)n. Chemical decomposition induced by light or other radiant energy.

pho′to·lyt′ic (fō′tə-lĭt′ĭk) adj.pho′to·lyt′i·cal·ly adv.

photolysis

(fəʊˈtɒlɪsɪs) n (Chemistry) chemical decomposition caused by light or other electromagnetic radiation. Compare radiolysis photolytic adj

pho•tol•y•sis

(foʊˈtɒl ə sɪs)

n. the chemical decomposition of materials under the influence of light. [1910–15] pho•to•lyt•ic (ˌfoʊt lˈɪt ɪk) adj.

photolysis

the breakdown of matter or materials under the influence of light. — photolytic, adj.See also: Decaying

the breakdown of matter or materials under the influence of light. — photolytic, adj.See also: Light

photolysis

The decomposition or disassociation of a compound when exposed to light of a certain wavelength.

Translations

Photolysis

photolysis

[fō′täl·ə·səs] (physical chemistry) The use of radiant energy to produce chemical changes.

Photolysis

the decomposition of molecules that occurs when the molecules absorb light. The decomposition products may be molecules with a smaller number of atoms, free radicals or atoms, or positive and negative ions. If the products are free radicals or atoms, the process is called photodissociation. If the products are positive and negative ions, the process is known as photoionization.

photolysis

enUK

photolysis

[fo-tol´ĭ-sis] chemical decomposition or change by the action of light or other radiant energy. adj., adj photolyt´ic.

pho·tol·y·sis

(fō-tol'i-sis), Decomposition of a chemical compound or cleavage of a chemical bond by the action of light. [photo- + G. lysis, dissolution]

pho·tol·y·sis

(fō-tol'i-sis) Decomposition of a chemical compound by the action of light. [photo- + G. lysis, dissolution]

photolysis

chemical decomposition using light energy (‘splitting by light’). In 1933, Cornelius van Niel proposed that the initial step in PHOTOSYNTHESIS was the photolysis of water, leading to the release of oxygen ions (forming oxygen gas) and hydrogen ions which were involved in the reduction of NADP during the LIGHT REACTIONS. Recently it has become more common to explain the breakdown of water as a ‘separation of charge’, a fast spontaneous ionic reaction with water splitting into hydrogen (H+) and hydroxl (OH-) ions. The end result is the same as photolysis, but light is not thought to be involved in the process.

单词	photolysis
释义	photolysis enUK pho·tol·y·sis P0264900 (fō-tŏl′ĭ-sĭs)n. Chemical decomposition induced by light or other radiant energy. pho′to·lyt′ic (fō′tə-lĭt′ĭk) adj.pho′to·lyt′i·cal·ly adv. photolysis (fəʊˈtɒlɪsɪs) n (Chemistry) chemical decomposition caused by light or other electromagnetic radiation. Compare radiolysis photolytic adj pho•tol•y•sis (foʊˈtɒl ə sɪs) n. the chemical decomposition of materials under the influence of light. [1910–15] pho•to•lyt•ic (ˌfoʊt lˈɪt ɪk) adj. photolysis the breakdown of matter or materials under the influence of light. — photolytic, adj.See also: Decaying the breakdown of matter or materials under the influence of light. — photolytic, adj.See also: Light photolysis The decomposition or disassociation of a compound when exposed to light of a certain wavelength. Translations Photolysis enUK photolysis [fō′täl·ə·səs] (physical chemistry) The use of radiant energy to produce chemical changes. Photolysis the decomposition of molecules that occurs when the molecules absorb light. The decomposition products may be molecules with a smaller number of atoms, free radicals or atoms, or positive and negative ions. If the products are free radicals or atoms, the process is called photodissociation. If the products are positive and negative ions, the process is known as photoionization. photolysis enUK photolysis [fo-tol´ĭ-sis] chemical decomposition or change by the action of light or other radiant energy. adj., adj photolyt´ic. pho·tol·y·sis (fō-tol'i-sis), Decomposition of a chemical compound or cleavage of a chemical bond by the action of light. [photo- + G. lysis, dissolution] pho·tol·y·sis (fō-tol'i-sis) Decomposition of a chemical compound by the action of light. [photo- + G. lysis, dissolution] photolysis chemical decomposition using light energy (‘splitting by light’). In 1933, Cornelius van Niel proposed that the initial step in PHOTOSYNTHESIS was the photolysis of water, leading to the release of oxygen ions (forming oxygen gas) and hydrogen ions which were involved in the reduction of NADP during the LIGHT REACTIONS. Recently it has become more common to explain the breakdown of water as a ‘separation of charge’, a fast spontaneous ionic reaction with water splitting into hydrogen (H+) and hydroxl (OH-) ions. The end result is the same as photolysis, but light is not thought to be involved in the process.
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