Term: erecting prism: a right-angled optical prism used to turn an inverted image upright
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: blatta: type genus of the Blattidae: cockroaches infesting buildings worldwide
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: millet: small seed of any of various annual cereal grasses especially Setaria italica
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: egyptian henbane: poisonous herb whose leaves are a source of hyoscyamine
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: ugly duckling: an ugly or unpromising child who grows into a beautiful or worthy person
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: trellis: latticework used to support climbing plants
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: paramilitary: a group of civilians organized in a military fashion (especially to operate in place of or to assist regular army troops)
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: standdown: a suspension and relaxation from an alert state or a state of readiness
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: cumin: aromatic seeds of the cumin herb of the carrot family
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: verticil: a whorl of leaves growing around a stem
Broader: prism: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image | Unrelated: holarrhena: genus of deciduous trees and shrubs of tropical Africa and Asia