Term: tetralogy: a series of four related works (plays or operas or novels)
Broader: serial: a serialized set of programs | Unrelated: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
Broader: serial: a serialized set of programs | Unrelated: ovule: a small or immature ovum
Broader: serial: a serialized set of programs | Unrelated: western redbud: shrub of western United States having pink or crimson flowers; often forms thickets
Broader: serial: a serialized set of programs | Unrelated: mother hen: a person who cares for the needs of others (especially in an overprotective or interfering way)
Broader: serial: a serialized set of programs | Unrelated: cityscape: painting depicting a city or urban area
Broader: serial: a serialized set of programs | Unrelated: locus of infection: the specific site in the body where an infection originates
Broader: serial: a serialized set of programs | Unrelated: actifed: trade name for a drug containing an antihistamine and a decongestant; used to treat upper respiratory conditions and minor allergies
Broader: serial: a serialized set of programs | Unrelated: christmas tree: an ornamented evergreen used as a Christmas decoration
Broader: serial: a serialized set of programs | Unrelated: strangulation: (pathology) constriction of a body part so as to cut off the flow of blood or other fluid
Broader: serial: a serialized set of programs | Unrelated: celtis: large genus of trees and shrubs with berrylike fruit