Term: optic axis: in a doubly refracting crystal, the line in the direction of which no double refraction occurs
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: appendicular artery: the branch of the ileocolic artery that supplies the vermiform appendix
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: organization: a group of people who work together
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: unenlightenment: a lack of understanding
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: hydrogen: a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: pine hyacinth: erect clematis of Florida having pink to purple flowers
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: anglicism: an expression that is used in Great Britain (especially as contrasted with American English)
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: beachfront: a strip of land running along a beach
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: silver whiting: a dull silvery whiting of southern Atlantic and Gulf Coasts of the United States
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: bitter betch: European perennial toxic vetch
Broader: axis: a straight line through a body or figure that satisfies certain conditions | Unrelated: no man's land: land that is unowned and uninhabited (and usually undesirable)