Antiparallelogram

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neuter noun (mathematics / geometry)

Definition

A convex or self-intersecting quadrilateral in which the opposite sides are equal in pairs, but, unlike a classic parallelogram, one pair of opposite sides intersects, creating a perfect axial symmetry. This structural arrangement provides the geometric figure with remarkable optical and mechanical properties, being frequently used in the design of linkage mechanisms where circular motion must be transformed into rectilinear motion.

Bilingual Equivalents

  • Antiparallelogram
  • Crossed parallelogram

Grammatical & Source Details

Inflection Type Neuter noun, regular structural plural variations.
Formation Derived noun formed by adding the prefix 'anti-' to the base noun 'paralelogram'.
Spelling / Pronunciation [an.ti.pa.ra.le.lo.ˈgram]
Source Encyclopedia of Kinematic Mechanisms and Applied Mathematics

Contextual Usage Examples

RO: Inginerul a integrat un antiparalelogram în sistemul de pârghii pentru a asigura o mișcare simetrică a componentelor robotului.

EN: The engineer integrated an antiparallelogram into the lever system to ensure a symmetrical movement of the robot's components.

RO: Proprietatea de bază a unui antiparalelogram este că diagonalele sale sunt întotdeauna paralele cu axele de simetrie ale figurii.

EN: The basic property of an antiparallelogram is that its diagonals are always parallel to the figure's axes of symmetry.

RO: În cadrul lecției de geometrie avansată, elevii au calculat aria determinată de buclele unui antiparalelogram autointersectat.

EN: During the advanced geometry lesson, the students calculated the area determined by the loops of a self-intersecting antiparallelogram.

Idioms & Phrases

Mecanism cu antiparalelogram / Antiparallelogram linkage

RO: Sistem articulat mecanic ce utilizează laturile încrucișate pentru a transmite rotația în sensuri opuse cu viteză variabilă.

EN: A mechanical jointed system that uses crossed sides to transmit rotation in opposite directions with variable speed.

Antiparalelogram articulat / Articulated antiparallelogram

RO: Configurație fizică formată din bare rigide unite prin pivoți, capabilă să își schimbe forma păstrând egalitatea laturilor.

EN: A physical configuration made of rigid bars joined by pivots, capable of changing shape while maintaining equal sides.

Simetrie de antiparalelogram / Antiparallelogram symmetry

RO: Aliniere geometrică specifică în care punctele opuse sunt reflectate perfect față de o axă centrală unică.

EN: A specific geometric alignment where opposite points are perfectly reflected across a single central axis.

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