Term: kernel: the choicest or most essential or most vital part of some idea or experience
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: class: a league ranked by quality
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: chartist: a 19th century English reformer who advocated better social and economic conditions for working people
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: tin: a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: pickled herring: herring preserved in a pickling liquid (usually brine or vinegar)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: six-spot: a playing card or domino or die whose upward face shows six pips
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: speleology: the scientific study of caves
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: nguni: a group of southern Bantu languages
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: right to liberty: the right to be free
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: tank: a large (usually metallic) vessel for holding gases or liquids
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: phylloscopus: warblers