linen tester

短语

词形变化

linen testers 复数 linen testers

释义与例句

n.
  1. 1.

    A folding magnifying glass which, when unfolded, forms a frame for the lens at a pre-focussed distance. Commonly used in stamp collecting.

  2. 2.

    A small magnifying glass, as might be used to check the thread count of linens.

词源

From linen + tester.

来源：wiktionary