[化] 针硫铋铅矿

Needle \Nee"dle\ (n[=e]"d'l), n. [OE. nedle, AS. n[=ae]dl; akin
to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal,
n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to
G. n["a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr.
ne`ein, and perh. to E. snare: cf. Gael. & Ir. snathad
needle, Gael. snath thread, G. schnur string, cord.]
1. A small instrument of steel, sharply pointed at one end,
with an eye to receive a thread, -- used in sewing.
--Chaucer.

Note: In some needles (as for sewing machines) the eye is at
the pointed end, but in ordinary needles it is at the
blunt end.

2. See {Magnetic needle}, under {Magnetic}.

3. A slender rod or wire used in knitting; a knitting needle;
also, a hooked instrument which carries the thread or
twine, and by means of which knots or loops are formed in
the process of netting, knitting, or crocheting.

4. (Bot.) One of the needle-shaped secondary leaves of pine
trees. See {Pinus}.

5. Any slender, pointed object, like a needle, as a pointed
crystal, a sharp pinnacle of rock, an obelisk, etc.

6. A hypodermic needle; a syringe fitted with a hypodermic
needle, used for injecting fluids into the body.
[Informal]
[PJC]

7. An injection of medicine from a hypodermic needle; a shot.
[PJC]

{Dipping needle}. See under {Dipping}.

{Needle bar}, the reciprocating bar to which the needle of a
sewing machine is attached.

{Needle beam} (Arch.), in shoring, the horizontal cross
timber which goes through the wall or a pier, and upon
which the weight of the wall rests, when a building is
shored up to allow of alterations in the lower part.

{Needle furze} (Bot.), a prickly leguminous plant of Western
Europe; the petty whin ({Genista Anglica}).

{Needle gun}, a firearm loaded at the breech with a cartridge
carrying its own fulminate, which is exploded by driving a
slender needle, or pin, into it. [archaic]

{Needle loom} (Weaving), a loom in which the weft thread is
carried through the shed by a long eye-pointed needle
instead of by a shuttle.

{Needle ore} (Min.), acicular bismuth; a sulphide of bismuth,
lead, and copper occuring in acicular crystals; -- called
also {aikinite}.

{Needle shell} (Zo["o]l.), a sea urchin.

{Needle spar} (Min.), aragonite.

{Needle telegraph}, a telegraph in which the signals are
given by the deflections of a magnetic needle to the right
or to the left of a certain position.

{Sea needle} (Zo["o]l.), the garfish.