Periodic Table
-
standard table
-
large table
Chemical Elements
-
by name
-
by symbol
-
by atomic number
Chemical Properties
Chemical Reactions
Organic Chemistry
Branches of Chemistry
Analytical chemistry
Biochemistry
Computational Chemistry
Electrochemistry
Environmental chemistry
Geochemistry
Inorganic chemistry
Materials science
Medicinal chemistry
Nuclear chemistry
Organic chemistry
Pharmacology
Physical chemistry
Polymer chemistry
Supramolecular Chemistry
Thermochemistry
Pin
Pin
is a word with multipe meanings:
A
pin
is a device used for fastening objects or material together. It is usually made of
steel
, and is formed by drawing out a thin wire, sharpening the tip, and adding a head. Someone whose trade is making
pins
is called a
pinner
.
Thumbtacks
and
badges
are types of pins.
In electronics a
pin
is an electric interconnection. For example a metal wire coming out of an
Integrated circuit
or
Transistor
.
The term
pin
is used in multiple
sports
and
strategy games
:
In
bowling
,
pins
must be knocked down by the bowling ball
In
chess
,
pin
refers to preventing a piece from moving by threatening the king
In
Sport wrestling
,
pinning
is a way of winning a match
In
firearms
, the
firing pin
is a
nail
-like device to transfer hammer
energy
to the
primer
of
ammunition
Pin
, a
commune
of the
Haute-Saône
département
, in
France
Operation Pin
is an international policing initiative to find pedophiles using the internet to access child pornography.
PIN
is also used as an
acronym
for
Personal Identification Number
Postal Index Number
(India)
01-04-2007 01:16:19
The contents of this article are licensed from
Wikipedia.org
under the
GNU Free Documentation License
. How to see
transparent copy
ChemistryDaily.com
2005
Legal Info