(analytic geometry, projective geometry) A complex line (especially, the set of complex numbers regarded as such) endowed with a point at infinity (thus becoming a projective line); (more formally) the set of equivalence classes of ordered pairs (α, β) of complex numbers, not both zero, with respect to the equivalence relation "(α, β) ≡ (λα, λβ) for all nonzero complex λ".

plural of complex projective line

The totality of businesses such as wedding planners, bridal registries, specialized caterers, bridal wear stores, etc. that exist for assisting with holding a wedding.

(pathology) A transcription disorder that causes failures of expression causing the lack of advancement in development from the state found as a neonatal resulting from genetic anomalies. A developmental disorder that is a state of permanent neoteny, staying in the state of an infant.

(immunology) A structure, typically formed on the surface of a pathogen cell membrane as a result of the activation of the host's complement system, creating transmembrane channels that disrupt the cell membrane, leading to cell lysis and death.

(immunology) A formation of transmembrane channels on the surface of a pathogenic bacterial cell that disrupts the phospholipid bilayer of the target cell resulting in its destruction.

plural of complex regional pain syndrome

(medicine, gastroenterology) A complex of symptoms associated with eating food laced with glutamates and other glutamic compounds such as glutamic acid, frequently associated with headaches, quickened pulse and tingling.

(biology, medicine) A chronic systemic disease characterized by severe pain, swelling, changes in the skin (e.g., erythema, edema), functional impairment, and sensory and vasomotor disturbance. Often it initially affects an arm or leg before spreading through the body; it is associated with dysregulation of the central nervous system and autonomic nervous system.

(archaeology) A Bronze Age civilization of Central Asia, dated to c. 2400–1900 BCE