reseau

• Nom désignant une base en forme de filet ou de grillage utilisée en dentelle, ainsi qu'un réseau de fines lignes servant de repère aux astronomes pour les mesures sur les photographies d'étoiles.

A noun with two primary meanings: a net or mesh foundation used in lace-making, and a network of fine lines employed by astronomers as a reference grid for measurements on star photographs.

1. Lace foundationC2formal

   A net or mesh base used as the foundation for certain types of lace, such as point de Venise or filet lace.

   Fond de réseau (pour dentelle)

   • The intricate pattern was built upon a fine reseau.
   • Lace makers often start with a reseau before adding decorative stitches.
   • The antique lace had a delicate reseau that was barely visible.

   Synonymesgroundmeshnetnetting

2. Astronomical reference gridC2formalscientific

   A network of fine lines or a grid etched onto a photographic plate or used in an eyepiece, serving as a reference for measuring the positions of stars.

   réseau de mesure astronomique

   • The astronomer used a reseau to precisely measure the star's coordinates.
   • Old star photographs often have a reseau superimposed for calibration.
   • The reseau helps correct for distortions in the telescope's optics.

   Synonymesgraticulereticlereticule