1. lacking an operculum or lid-like covering
Usage: biological; technical

Examples

• The inoperculate gastropod shells lack the protective door found in many marine snails.
• Inoperculate mosses release their spores without a lid mechanism.
• The researcher identified the specimen as inoperculate based on the absence of a covering structure.
• Many land snails are inoperculate, unlike their marine relatives.
• The inoperculate condition makes these organisms more vulnerable to desiccation.