HOOK n.
A piece of metal, or other hard material, formed or bent into a curve or at an angle, for catching, holding, or sustaining anything; as, a hook for catching fish; a hook for fastening a gate; a boat hook, etc.
HORIZONTAL a.
orizontal fire (Mil.), the fire of ordnance and small arms at point-blank range or at low angles of elevation. -- Horizontal force (Physics), the horizontal component of the earth's magnetic force. -- Horizontal line (Descriptive Geometry & Drawing), a constructive line, either drawn or imagined, which passes through…
INCIDENCE n.
ce. In equal incidences there is a considerable inequality of refractions. Sir I. Newton. Angle of incidence, the angle which a ray of light, or the line of incidence of a body, falling on any surface, makes with a perpendicular to that surface; also formerly, the complement of this angle. -- Line of incidence, the li…