Specialist back-formation meaning ‘to inspect with a loupe’; attested in gemology and watchmaking contexts.
Definitions
To examine or inspect (something) with a loupe. She louped the ruby carefully, searching for inclusions.
Primarily attributive, describing something intended for or relating to a loupe (e.g., “loupe lens”).
Definitions
Relating to or intended for use with a loupe. The technician replaced the damaged loupe lens.