As nouns the difference between piston and spool
is that piston is a solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump while spool is a device around which thread, wire or cable is wound, especially a cylinder or spindle.
As verbs the difference between piston and spool
is that piston is {{cx|intransitive|lang=en}} To move up and down like a piston while spool is to wind on a spool or spools.
As a proper noun Piston
is {{surname|lang=en}.
piston
Noun
(
en noun)
A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
(music) A valve device in some brass instruments for changing the pitch
Derived terms
* piston rod
* piston ring
* pistoning
Verb
(
en verb)
To move up and down like a piston.
Anagrams
*
----
spool
English
Etymology 1
From .
Noun
(
en noun)
A device around which thread, wire or cable is wound, especially a cylinder or spindle.
(computing) A temporary storage area for electronic mail, etc.
Verb
(
en verb)
To wind on a spool or spools.
(computing) To send files to a device or a program (a spooler or a daemon that puts them in a queue for processing at a later time).
Etymology 2
From spa and pool
Noun
(
en noun)
A small swimming pool that can be used also as a spa.
Anagrams
*
*
*
*
