Term: wankel engine: a rotary engine that is a four-stroke internal-combustion engine without reciprocating parts
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: coloration: choice and use of colors (as by an artist)
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: champerty: an unethical agreement between an attorney and client that the attorney would sue and pay the costs of the client's suit in return for a portion of the damages awarded
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: euronithopoda: widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: amebiasis: infection by a disease-causing ameba
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: carpet knight: a knight who spends his time in luxury and idleness (knighted on the carpet at court rather than on the field of battle)
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: romanian: a native or inhabitant of Romania
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: re-formation: forming again (especially with improvements or removal of defects); renewing and reconstituting
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: methacholine: parasympathomimetic drug (trademark Mecholyl) that stimulates secretions and smooth muscle activity
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: australian magpie: black-and-white oscine birds that resemble magpies
Broader: heat engine: any engine that makes use of heat to do work | Unrelated: harpy: large black-and-white crested eagle of tropical America