1. past tense of eclose; to emerge from a pupal case or egg as an adult insect
Usage: entomology; technical

Examples

• The butterfly eclosed from its chrysalis after two weeks.
• The moths eclosed simultaneously under the laboratory lights.
• After months as a pupa, the beetle finally eclosed.
• Scientists observed as the dragonfly nymphs eclosed into adults.
• The insects eclosed during the warm spring weather.