reseau

• 名词，有两个主要含义：一是花边编织中使用的网眼或网格状底布；二是天文学家在照片测量中用作参考网格的细线网。

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.

   网底

   • 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.

   同义词groundmeshnetnetting

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.

   天文坐标网

   • 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.

   同义词graticulereticlereticule