Term: free radical: an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: hard time: a term served in a maximum security prison
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: mountain hollyhock: perennial of northwestern United States and western Canada resembling a hollyhock and having white or pink flowers
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: piano action: action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: double flat: a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: ink eraser: an eraser that removes ink marks
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: return: (American football) the act of running back the ball after a kickoff or punt or interception or fumble
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: lapin: the fur of a rabbit
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: cad: someone who is morally reprehensible
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: hose: man's close-fitting garment of the 16th and 17th centuries covering the legs and reaching up to the waist; worn with a doublet
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: crampon: a hinged pair of curved iron bars; used to raise heavy objects