Term: principal axis: a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: progestin: any of a group of steroid hormones that have the effect of progesterone
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: fish family: any of various families of fish
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: mark: a visible indication made on a surface
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: antelope: graceful Old World ruminant with long legs and horns directed upward and backward; includes gazelles; springboks; impalas; addax; gerenuks; blackbucks; dik-diks
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: slopshop: a store that sells cheap ready-made clothing
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: verb: a content word that denotes an action, occurrence, or state of existence
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: ghanian monetary unit: monetary unit of Ghana
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: sour salt: crystals of citric acid used as seasoning
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: secondary coil: coil such that current is induced in it by passing a current through the primary coil
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: atmosphere: a particular environment or surrounding influence