DEX » Romanian Language Etymological Dictionary » asterism

Asterism

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neuter noun (mineralogy / astronomy / typography)

Definition

A remarkable optical phenomenon found in certain crystals and gemstones (such as star sapphires or star rubies), manifested by a star-shaped light reflection with multiple rays, caused by light refraction on geometrically oriented micro-inclusions; in astronomy, it denotes a small group of stars forming a recognized geometric figure in the night sky that is not an official constellation; in typography, it represents a group of three asterisks (⁂) used to separate text sections.

Bilingual Equivalents

  • Asterism
  • Star effect

Grammatical & Source Details

Inflection Type Neuter noun, following regular structural shifts for modern abstract and technical scientific terms ending in '-ism'.
Formation Neologism derived from French 'astérisme', rooted in Greek morphological components linked to star properties.
Spelling / Pronunciation [as.te.ˈrizm]
Source Glossary of Mineralogy, Observational Astronomy and Graphic Symbols

Contextual Usage Examples

RO: Valoarea pe piață a unui safir caboșon crește enorm dacă piatra prezintă un asterism clar, cu raze perfect centrate.

EN: The market value of a cabochon sapphire increases enormously if the stone exhibits a clear asterism with perfectly centered rays.

RO: Carul Mare este cel mai faimos asterism de pe cerul nordic, fiind ușor de recunoscut și folosit pentru orientare.

EN: The Big Dipper is the most famous asterism in the northern sky, being easy to recognize and used for navigation.

RO: Editorul a plasat un asterism rar în format de trei steluțe pentru a marca tranziția dintre capitolele volumului de eseuri.

EN: The editor placed a rare asterism in the format of three little stars to mark the transition between the chapters of the essay volume.

Idioms & Phrases

Asterism optic / Optical asterism / Star effect

RO: Reflexia luminoasă geometrică determinată de acele microscopice de rutil din interiorul unui cristal șlefuit rotund.

EN: The geometric light reflection driven by microscopic rutile needles inside a round-polished crystal.

Asterism astronomic / Astronomical asterism

RO: Configurație vizuală de stele strălucitoare (cum este Triunghiul de Vară) care nu corespunde limitelor unei constelații oficiale.

EN: A visual configuration of bright stars (such as the Summer Triangle) that does not correspond to official constellation boundaries.

Semnul de asterism / Asterism symbol

RO: Marcaj tipografic triangular (⁂) utilizat istoric în editarea manuscriselor pentru a atrage atenția asupra unui pasaj deosebit.

EN: A triangular typographic mark (⁂) used historically in manuscript editing to draw attention to a special passage.

Keywords

#asterism #star effect #gemology #astronomy #star patterns #optical mineralogy #typography symbol #definition
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