hand glass

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a mirror intended to be held in the hand
• Syn:
hand mirror
• Hypernyms:
mirror
2. light microscope consisting of a single convex lens that is used to produce an enlarged image
- the magnifying glass was invented by Roger Bacon in 1250
• Syn:
simple microscope, magnifying glass
• Hypernyms:
light microscope
• Hyponyms:
loupe, jeweler's loupe