AXIS n.
girder. -- Optic axis of a crystal, the direction in which a ray of transmitted light suffers no double refraction. All crystals, not of the isometric system, are either uniaxial or biaxial. -- Optic axis, Visual axis (Opt.), the straight line passing through the center of the pupil, and perpendicular to the surface…
BRIEF n.
" i. e., "from the day of the Nativity," and sealed with the ring of the fisherman. It differs from a bull, in its parchment, written character, date, and seal. See Bull. -- Brief of title, an abstract or abridgment of all the deeds and other papers constituting the chain of title to any real estate. -- In brief, in…