focal-length

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1-11 of 11 possibilities

Definition/MeaningWord/Phrase
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point astigmatism , astigmia
eyeglasses having two focal lengths bifocals
agency that is the primary source in the State Department for interpretive analyses of global developments and focal point for policy issues and activities of the Intelligence Community Bureau of Intelligence and Research , INR
network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument graticule , reticle , reticule
focal growth that resembles a neoplasm but results from faulty development in an organ hamartoma
center of activity or interest or commerce or transportation; a focal point around which events revolve hub
focal point hub
focal epilepsy in which the attack usually moves from distal to proximal limb muscles on the same side of the body Jacksonian epilepsy
agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems Nonproliferation Center , NPC
focal epilepsy initiated by somatosensory phenomena sensory epilepsy
(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point stigmatism
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