photochemical
1
7.9
- adjective
- /ˌfoʊtəˈkɛmɪkəl/
- Specialized
:
fotocatalítico
- Ozone is a reactant that is greatly involved in photochemical processes that can intensify atmospheric pollution.
- photochemical reaction
- photochemical smog
- photochemical quenching
And so that then is the basic photochemical reaction.
- And so that then is the basic photochemical reaction.
Examples
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In the first step, irradiation of the film triggers a photochemical reaction that produces an acidic product.
Academic text (2001) -
At a cellular level, UVR exposure results in photochemical modification of the genetic material (DNA).
Academic text (1998) -
And so that then is the basic photochemical reaction.
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The details of this process of photochemical "darkening" are not yet fully understood.
Academic text (2001) -
The maximum photochemical efficiency of the flag leaf showed similar trends to the photosynthetic rates.
Academic text (2014) -
And there is always the possibility of a weather wild card: because photochemical smog flourishes in sunlight.
Academic text (2005) -
By contrast, Los Angeles' ozone-based smog, also known as photochemical smog, was a new and different breed of air pollution.
Academic text (2005) -
Ground-level ozone, which can irreparably harm lung function, is a result of these photochemical reactions and thus a major component of smog.
Academic text (2004) -
The photochemical reaction in plants is essential for photosynthesis and energy production.
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Exposure to UV light can lead to harmful photochemical changes in skin cells.
Synonyms
Made by light that changes chemicals or living cells
Happens when light causes a chemical or material change
A material that changes when light hits it
Compounds
- Specialized
A chemical change caused by light that makes substances swap parts
Surface Forms
Morphology
photochemical = chemical (semi-transparent) = photo + chem + ical
The word is built compositionally from photo- plus chemical, but the scientific sense is somewhat specialized rather than fully everyday.
Etymology
Photochemical comes from photo- meaning 'light' and chemical meaning 'chemicals'. So, a photochemical process is when light makes chemicals change, like when sunlight helps form smog or when light creates a photograph.