Term: pleochroism: the phenomenon of different colors appearing when certain crystals are viewed from different directions
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: side door: an exterior door at one side of a building
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: perch: support consisting of a branch or rod that serves as a resting place (especially for a bird)
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: ancient history: a history of the ancient world
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: constitutional union party: a former political party in the United States; formed in 1859 by former Whigs who hoped to preserve the Union
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: hub: a center of activity or interest or commerce or transportation; a focal point around which events revolve
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: calcium stearate: an insoluble calcium salt of stearic acid and palmitic acid; it is formed when soap is mixed with water that contains calcium ions and is the scum produced in regions of hard water
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: industrialism: an economic system built on large industries rather than on agriculture or craftsmanship
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: tribasic acid: an acid containing three replaceable hydrogen atoms per molecule
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: margin: an amount beyond the minimum necessary
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: anchovy pear: West Indian fruit resembling the mango; often pickled