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.
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
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.
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.