Term: diffraction: when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: epigraphy: the study of ancient inscriptions
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: iodopsin: a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: conclusion: the last section of a communication
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: profiteer: someone who makes excessive profit (especially on goods in short supply)
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: atrial septal defect: an abnormal opening between the left and right atria of the heart
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: title deed: a legal document proving a person's right to property
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: cape: a strip of land projecting into a body of water
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: recalculation: the act of calculating again (usually to eliminate errors or to include additional data)
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: reconstruction: an interpretation formed by piecing together bits of evidence
Broader: optical phenomenon: a physical phenomenon related to or involving light | Unrelated: signature: your name written in your own handwriting