HYALONEMA n.
sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a color. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope.
LEFT-HANDED a.
ing a direction contrary to that of the hands of a watch when seen in front; -- said of a twist, a rotary motion, etc., looked at from a given direction. Left-handed marriage, a morganatic marriage. See Morganatic. -- Left-handed screw, a screw constructed to advance away from the observer, when turned, as in a nut, w…