Alochroic
Definition
Changing color or displaying different hues depending on lighting conditions, viewing angle, or external thermal factors; a term structurally used to describe minerals or chemical substances whose optical properties induce reversible chromatic variations.
Bilingual Equivalents
- Alochroic
- Color-changing
Grammatical & Source Details
| Inflection Type | Variable adjective with standard masculine, feminine, and structural plural variations. |
| Formation | Neoclassical compound from the Greek roots 'allos' (other) and 'khroia' (color, tint), functionally integrated. |
| Spelling / Pronunciation | [ˌæləˈkroʊɪk] |
| Source | Glossary of Mineral Species and Optical Crystallography Metrics |
Contextual Usage Examples
RO: Acest cristal de alexandrit are un caracter alocroic pronunțat, trecând de la verde la roșu sub lumină artificială.
EN: This alexandrite crystal has a pronounced allochroic character, shifting from green to red under artificial light.
RO: Efectul alocroic observat în laborator se datorează rearanjării structurale a rețelei atomice sub influența căldurii.
EN: The allochroic effect observed in the laboratory is due to the structural rearrangement of the atomic lattice under the influence of heat.
RO: Pigmentul alocroic folosit la vopsirea caroseriei oferă reflexii spectaculoase în funcție de unghiul din care este privit.
EN: The allochroic pigment used for painting the bodywork offers spectacular reflections depending on the angle from which it is viewed.
Idioms & Phrases
Efect alocroic / Allochroic effect
RO: Fenomen optic structural prin care o substanță își modifică spectrul de absorbție a luminii în mod reversibil.
EN: A structural optical phenomenon whereby a substance modifies its light absorption spectrum in a reversible manner.
Substanță alocroică / Allochroic substance
RO: Compus chimic sau mineral capabil să reacționeze vizual la modificările de mediu prin schimbarea nuanței native.
EN: A chemical compound or mineral capable of reacting visually to environmental changes by altering its native hue.
Variație alocroică / Allochroic variation
RO: Trecerea structurală progresivă printr-o paletă de culori determinată de intensitatea radiației ultraviolete.
EN: The progressive structural transition through a palette of colors determined by the intensity of ultraviolet radiation.
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