Arago
Definition
The reference name of François Arago (1786–1853), a famous French physicist, astronomer, and politician, who made foundational contributions to optics, magnetism, and electromagnetism, demonstrating the wave nature of light. His name became a scientific eponym of major significance, assigned to a lunar crater, a Martian crater, an asteroid, a ring of Neptune, as well as multiple global academic institutions.
Bilingual Equivalents
- Arago
- François Arago
Grammatical & Source Details
| Inflection Type | Proper masculine noun, singular form, used strictly without plural markers. |
| Formation | French anthroponym of Catalan origin, historically integrated into the global terminology of exact sciences. |
| Spelling / Pronunciation | [aʁaɡo] |
| Source | Lexicon of Scientific Biographies and Astronomical Nomenclature |
Contextual Usage Examples
RO: Fizicianul Arago a colaborat strâns cu Augustin-Jean Fresnel pentru a dezvolta legile fundamentale ale polarizării luminii.
EN: The physicist Arago collaborated closely with Augustin-Jean Fresnel to develop the fundamental laws of light polarization.
RO: În timpul mandatului său politic, Arago a semnat decretul istoric din 1848 care abolea complet sclavie în coloniile franceze.
EN: During his political tenure, Arago signed the historic 1848 decree that completely abolished slavery in French colonies.
RO: Astronomii au analizat datele spectrografice obținute din regiunea craterului Arago situat pe suprafața Lunii.
EN: Astronomers analyzed the spectrographic data obtained from the region of the Arago crater located on the Moon's surface.
Idioms & Phrases
Efectul Arago / Arago effect / magnetic rotation
RO: Fenomenul fizic de rotație magnetică prin care un disc de cupru aflat în mișcare induce rotația unui ac magnetic suspendat deasupra sa.
EN: The physical phenomenon of magnetic rotation whereby a moving copper disc induces the rotation of a magnetic needle suspended above it.
Punctul lui Arago / Arago's spot / Poisson's spot
RO: O pată luminoasă strălucitoare care apare în centrul umbrei unui obiect circular din cauza difracției ondulatorii a luminii.
EN: A bright spot of light that appears at the center of the shadow of a circular object due to the wave diffraction of light.
Inelul Arago / Arago ring
RO: Denumirea oficială a unuia dintre inelele planetare subțiri și prăfoase ale planetei Neptun, descoperit prin intermediul sondelor spațiale.
EN: The official designation of one of the thin, dusty planetary rings of Neptune, discovered via space probes.
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