BETA RAYS n.
Penetrating rays readily deflected by a magnetic or electric field, emitted by radioactive substances, as radium. They consist of negatively charged particles or electrons, apparently the same in kind as those of the cathode rays, but having much higher velocities (about 35,000 to 180,000 miles per second).…
BLIND a.
which has a vertical shaft at each end, and acts as an inverted siphon. Knight. -- Blind nettle (Bot.), dead nettle. See Dead nettle, under Dead. -- Blind shell (Gunnery), a shell containing no charge, or one that does not explode. -- Blind side, the side which is most easily assailed; a weak or unguarded side; the…
BOARDING n.
s and lodgings, for pay. Boarding house, a house in which boarders are kept. -- Boarding nettings (Naut.), a strong network of cords or ropes erected at the side of a ship to prevent an enemy from boarding it. -- Boarding pike (Naut.), a pike used by sailors in boarding a vessel, or in repelling an attempt to board i…
BODY n.
Body servant, a valet. -- The bodies seven (Alchemy), the metals corresponding to the planets. [Obs.] Sol gold is, and Luna silver we threpe (=call), Mars yren (=iron), Mercurie quicksilver we clepe, Saturnus lead, and Jupiter is tin, and Venus coper. Chaucer. -- Body snatcher, one who secretly removes without right o…