Definition that contains no end
- endless having no known beginning and presumably no end
- dateless having no known beginning and presumably no end
- genus bacteroides type genus of Bacteroidaceae; genus of Gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals
- sempiternal having no known beginning and presumably no end
- bacteroides type genus of Bacteroidaceae; genus of Gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals
- closed curve a curve (such as a circle) having no endpoints
- fibrinopeptide peptide released from the amino end of fibrinogen by the action of thrombin to form fibrin during clotting of the blood