arc

arco, curva

Forma o recorrido que se curva como un arco.

En inglés sencillo: A curved shape or path.

• The ball flew in a high arc.
• She swung the rope in a wide arc overhead.
• Two graceful arcs of water crossed above the fountain.

Cómo se usa: in an arc (The ball flew through the air in an arc.)

Sinónimos: curve

Expresiones frecuentes: wide arc, in an arc

arco

Tramo de la línea que rodea un círculo o de otra línea curva.

En inglés sencillo: A section of the curved line around a circle or along another curve.

• Draw an arc on the paper.
• The arc covers ninety degrees of the circle.
• We measured the lengths of two arcs.

Cómo se usa: an arc of a circle (Draw an arc of a circle with a radius of five centimeters.)

Expresiones frecuentes: arc of something, circular arc

arco eléctrico

Corriente eléctrica brillante que atraviesa el espacio entre dos puntos.

En inglés sencillo: A bright stream of electricity passing through a gap between two points.

• An electric arc flashed between the wires.
• The welding arc was too bright to look at.
• A damaged cable produced several dangerous arcs.

Sinónimos: electric discharge

Expresiones frecuentes: electric arc, welding arc

arco celeste

Trayectoria curva que el sol, la luna o una estrella parecen seguir por el cielo.

En inglés sencillo: The curved path that the sun, moon, or a star seems to follow across the sky.

• The sun follows a low arc in winter.
• The astronomer calculated the arc of the star above the horizon.
• Long summer days give the sun a wider visible arc.

Expresiones frecuentes: diurnal arc, nocturnal arc

describir un arco

Moverse siguiendo una trayectoria curva.

En inglés sencillo: To move along a curved path.

• The ball arced through the air.
• Water arced over the flowers.
• A shooting star was arcing across the dark sky.

Cómo se usa: arc over something (The ball arced over the goalkeeper.); arc across something (A jet of water arced across the garden.)

Sinónimos: curve

Expresiones frecuentes: arc across something, arc through something, arc over something

formar un arco eléctrico

Pasar la electricidad por un espacio vacío formando una corriente luminosa.

En inglés sencillo: When electricity does this, it passes through a gap as a bright stream.

• The damaged wire began to arc.
• Electricity arced across the small gap.
• Current was arcing between the metal contacts.

Cómo se usa: arc between A and B (Electricity arced between the two exposed wires.); arc across something (The current arced across the gap.)

Sinónimos: spark

Expresiones frecuentes: arc across something, arc between something