Definition of photochromic in English:

photochromic

adjective ˌfəʊtə(ʊ)ˈkrəʊmɪkˌfoʊdəˈkroʊmɪk

(of a substance) undergoing a reversible change in colour or shade when exposed to light of a particular frequency or intensity.
（物质）光致变色的
photochromic sunglasses
光敏变色太阳镜。
Example sentencesExamples
- Therefore, we have attempted to create a simple, reversible photochromic metal-ion chelator that can be analyzed quantitatively.
- This reversible deprotonation and reprotonation causes the distinguished visible and fully reversible photochromic shift from purple to yellow.
- With its photochemical cycle, bR represents a reversible photochromic system in addition to its charge translocation property.
- Also, photochromic substances can be restored to their original state after being in the dark for a period of time.
- When a photochromic material is exposed to light, the light absorption properties of the material change.

Derivatives

photochromism

noun

Investigations of the spiro [cyclohexadiene-indolines] revealed the photochromism to be highly solvent dependent.
Example sentencesExamples
- Production of a reversible photo-induced color change is known as photochromism.
- In contrast, triphenylmethanes exhibit very simple photochromism.
- The wide interest for basic and applied research on photochromism in the last decade is well documented by two monographs.
- Nagamura et al. have reported photochromism of the ion pair-charge transfer complexes of viologen derivatives with tetrakis [3,5-bis phenyl] borate as a counter anion.

Origin

1950s: from photo- 'relating to light' + Greek khrōma 'colour' + -ic.

Rhymes

gnomic, monochromic, ohmic

Definition of photochromic in US English:

photochromic

adjectiveˌfōdəˈkrōmikˌfoʊdəˈkroʊmɪk

(of a substance) undergoing a reversible change in color or shade when exposed to light of a particular frequency or intensity.
（物质）光致变色的
photochromic sunglasses
光敏变色太阳镜。
Example sentencesExamples
- With its photochemical cycle, bR represents a reversible photochromic system in addition to its charge translocation property.
- When a photochromic material is exposed to light, the light absorption properties of the material change.
- Also, photochromic substances can be restored to their original state after being in the dark for a period of time.
- Therefore, we have attempted to create a simple, reversible photochromic metal-ion chelator that can be analyzed quantitatively.
- This reversible deprotonation and reprotonation causes the distinguished visible and fully reversible photochromic shift from purple to yellow.

Origin

1950s: from photo- ‘relating to light’ + Greek khrōma ‘color’ + -ic.

单词	photochromic
释义	Definition of photochromic in English: photochromic adjective ˌfəʊtə(ʊ)ˈkrəʊmɪkˌfoʊdəˈkroʊmɪk (of a substance) undergoing a reversible change in colour or shade when exposed to light of a particular frequency or intensity. （物质）光致变色的 photochromic sunglasses 光敏变色太阳镜。 Example sentencesExamples Therefore, we have attempted to create a simple, reversible photochromic metal-ion chelator that can be analyzed quantitatively. This reversible deprotonation and reprotonation causes the distinguished visible and fully reversible photochromic shift from purple to yellow. With its photochemical cycle, bR represents a reversible photochromic system in addition to its charge translocation property. Also, photochromic substances can be restored to their original state after being in the dark for a period of time. When a photochromic material is exposed to light, the light absorption properties of the material change. Derivatives photochromism noun Investigations of the spiro [cyclohexadiene-indolines] revealed the photochromism to be highly solvent dependent. Example sentencesExamples Production of a reversible photo-induced color change is known as photochromism. In contrast, triphenylmethanes exhibit very simple photochromism. The wide interest for basic and applied research on photochromism in the last decade is well documented by two monographs. Nagamura et al. have reported photochromism of the ion pair-charge transfer complexes of viologen derivatives with tetrakis [3,5-bis phenyl] borate as a counter anion. Origin 1950s: from photo- 'relating to light' + Greek khrōma 'colour' + -ic. Rhymes gnomic, monochromic, ohmic Definition of photochromic in US English: photochromic adjectiveˌfōdəˈkrōmikˌfoʊdəˈkroʊmɪk (of a substance) undergoing a reversible change in color or shade when exposed to light of a particular frequency or intensity. （物质）光致变色的 photochromic sunglasses 光敏变色太阳镜。 Example sentencesExamples With its photochemical cycle, bR represents a reversible photochromic system in addition to its charge translocation property. When a photochromic material is exposed to light, the light absorption properties of the material change. Also, photochromic substances can be restored to their original state after being in the dark for a period of time. Therefore, we have attempted to create a simple, reversible photochromic metal-ion chelator that can be analyzed quantitatively. This reversible deprotonation and reprotonation causes the distinguished visible and fully reversible photochromic shift from purple to yellow. Origin 1950s: from photo- ‘relating to light’ + Greek khrōma ‘color’ + -ic.
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