Term: archaeopteryx: extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: long iron: an iron with a long shaft and a steep face; for hitting long low shots
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: chimneystack: the part of the chimney that is above the roof; usually has several flues
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: english iris: bulbous iris native to the Pyrenees; widely cultivated for its large delicate flowers in various colors except yellow
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: measuring cup: graduated cup used to measure liquid or granular ingredients
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: epimetheus: (Greek mythology) brother of Prometheus; despite Prometheus's warning against gifts from Zeus he accepted Pandora as his wife
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: ballistic pendulum: a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: double-breasted suit: a suit with a double-breasted jacket
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: life cycle: the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: m-theory: (particle physics) a theory that involves an eleven-dimensional universe in which the weak and strong forces and gravity are unified and to which all the string theories belong
Broader: bird: warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | Unrelated: triode: a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible