effective at reflecting light like a mirror
- obtaining the attributes of a speculum or mirror having a smooth showing surface as a specular steel a specular surface
- obtaining the characteristics of a speculum, or mirror; having a smooth, reflecting surface; since, a specular material; a specular surface.
- Of or related to a speculum; carried out using a speculum; as, a specular examination.
- helping sight, as a lens or perhaps the like.
- Affording view.
1570s, "reflective" (like a mirror), from Latin specularis, from speculum "a mirror" (see speculum). Meaning "assisting in vision; affording a view" is from 1650s, from Latin speculari "to spy" (identify conjecture).
In the Marquette district of Michigan (Lake Superior) schistose specular ore occurs in important deposits, associated with a jasper rock, in which the ore alternates with bands of red quartzite.