Term: thermionics: the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)
Broader: science: a particular branch of scientific knowledge | Unrelated: stick horse: a child's plaything consisting on an imitation horse's head on one end of a stick
Broader: science: a particular branch of scientific knowledge | Unrelated: buyout: acquisition of a company by purchasing a controlling percentage of its stock
Broader: science: a particular branch of scientific knowledge | Unrelated: exercise bike: an exercise device resembling a stationary bike
Broader: science: a particular branch of scientific knowledge | Unrelated: lettuce: leaves of any of various plants of Lactuca sativa
Broader: science: a particular branch of scientific knowledge | Unrelated: bilateral descent: line of descent traced through both the maternal and paternal sides of the family
Broader: science: a particular branch of scientific knowledge | Unrelated: white mountain ash: large tree with dark compact bark on lower trunk but smooth and white above; yields lumber similar to that of European or American ashes
Broader: science: a particular branch of scientific knowledge | Unrelated: log cabin: a cabin built with logs
Broader: science: a particular branch of scientific knowledge | Unrelated: menorrhagia: abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged
Broader: science: a particular branch of scientific knowledge | Unrelated: aftermath: the consequences of an event (especially a catastrophic event)
Broader: science: a particular branch of scientific knowledge | Unrelated: moistening: the act of making something slightly wet