Term: single-rotor helicopter: a helicopter having a single rotor
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: action: the state of being active
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: mennonitism: system of beliefs and practices including belief in scriptural authority; plain dress; adult baptism; foot washing; restriction of marriage to members of the group
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: radio announcer: an announcer whose voice is broadcast on radio
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: subordinating conjunction: a conjunction (like `since' or `that' or `who') that introduces a dependent clause
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: cybernetics: (biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: static tube: a measuring instrument used to measure static pressure in a stream of fluid
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: redpoll: small siskin-like finch with a red crown
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: flower people: a youth subculture (mostly from the middle class) originating in San Francisco in the 1960s; advocated universal love and peace and communes and long hair and soft drugs; favored acid rock and progressive rock music
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: thickening: any material used to thicken
Broader: heavier-than-air craft: a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it | Unrelated: stretch: exercise designed to extend the limbs and muscles to their full extent