Achromatic
Definition
An optical system or lens specially corrected to minimize chromatic aberration, allowing light rays of different colors to focus at the same point; in a medical sense, an individual affected by achromatopsia, characterized by the complete lack of color perception, seeing the world only in shades of gray, white, and black.
Bilingual Equivalents
- Achromatic
- Achromat
Grammatical & Source Details
| Inflection Type | Variable adjective with standard masculine and plural forms; functions also as a masculine noun. |
| Formation | Formed with the Greek privative prefix 'a-' and 'chroma' (color), entering the language via French structural models. |
| Spelling / Pronunciation | [a.kro.ˈmat] |
| Source | Lexicon of Modern Physics, Ophthalmology, and Optical Systems |
Contextual Usage Examples
RO: Inginerul a montat un obiectiv acromat la microscop pentru a elimina marginile colorate artificial din jurul celulelor analizate.
EN: The engineer mounted an achromatic objective on the microscope to eliminate artificial colored borders around the analyzed cells.
RO: Un pacient acromat nu poate distinge nuanțele de roșu sau verde, ghidându-se în trafic exclusiv după poziția luminilor semaforului.
EN: An achromat patient cannot distinguish shades of red or green, relying in traffic exclusively on the position of the traffic lights.
RO: Sistemul optic acromat al telescopului astronomic permite fotografierea clară a stelelor fără distorsiuni de culoare.
EN: The telescope's achromatic optical system allows for clear photography of stars without color distortions.
Idioms & Phrases
Obiectiv acromat / Achromatic objective / achromat lens
RO: Ansamblu de lentile conceput pentru a aduce două lungimi de undă diferite în același plan focal, îmbunătățind claritatea imaginii.
EN: A lens assembly designed to bring two different wavelengths into the same focal plane, significantly improving image sharpness.
Pacient acromat / Achromat patient / totally colorblind person
RO: Persoană care suferă de o afecțiune congenitală rară a retinei, neavând celule cu conuri funcționale pentru detectarea culorilor.
EN: A person suffering from a rare congenital retinal condition, lacking functional cone cells for color detection.
Sistem acromat dublet / Achromatic doublet system
RO: Combinație de două lentile din sticlă diferită (crown și flint) utilizată pentru corectarea dispersiei luminii.
EN: A combination of two lenses made from different glass types (crown and flint) used to correct light dispersion.
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