Term: fine structure: the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: globeflower: any of several plants of the genus Trollius having globose yellow flowers
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: wilson's warbler: yellow wood warbler with a black crown
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: wallflower: remains on sidelines at social event
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: gazette: a newspaper or official journal
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: remittance: a payment of money sent to a person in another place
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: secretary bird: large long-legged African bird of prey that feeds on reptiles
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: nervousness: an uneasy psychological state
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: terrorist attack: a surprise attack involving the deliberate use of violence against civilians in the hope of attaining political or religious aims
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: register: an official written record of names or events or transactions
Broader: spectrum line: an isolated component of a spectrum formed by radiation at a uniform frequency | Unrelated: ophiuroidea: brittle stars and basket stars