ETYM Latin specularis (cf., from the same root, specula a lookout, watchtower): cf. French spéculaire. Related to Speculum.
Mirrorlike; by reflection; visual.
1. Having the qualities of a speculum, or mirror; having a smooth, reflecting surface.
2. Of or pertaining to a speculum; conducted with the aid of a speculum.
3. Assisting sight, as a lens or the like.