527 Group â A tax-exempt group organized under section 527 of the Internal Revenue Code to raise money for political activities. These groups are typically parties, candidates, committees or associations organized for the purpose of influencing an issue, policy, appointment or election, be it federal, state or local.
Noun. 1. trichromacy-the normal ability to see colors. chromatic vision, color vision. visual modality, visual sense, vision, sight-the ability to see; the visual faculty.
â¦ sightable adj. leaf sight. n a folding rear sight on certain rifles. line of sight. n. 1 the straight line along which an observer looks or a beam of radiation travels. 2 (Ophthalmol) another term for â line of vision. panoramic sight. n a type of artillery sight with a large field of view. peep sight.