PERMANENT MAGNET

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does permanent magnet mean? 

• PERMANENT MAGNET (noun)
  The noun PERMANENT MAGNET has 1 sense:

1. a magnet that retains its magnetism after being removed from a magnetic field

  Familiarity information: PERMANENT MAGNET used as a noun is very rare.

 Dictionary entry details 

• PERMANENT MAGNET (noun)

Sense 1

Meaning:

A magnet that retains its magnetism after being removed from a magnetic field

Classified under:

Nouns denoting man-made objects

Synonyms:

permanent magnet; static magnet

Hypernyms ("permanent magnet" is a kind of...):

magnet ((physics) a device that attracts iron and produces a magnetic field)

Hyponyms (each of the following is a kind of "permanent magnet"):

stud finder (a small permanent magnet in a metal container; when the magnet clicks against the container it indicates that the magnet is directly over an iron nail that holds the wallboard to a stud)

loadstone; lodestone (a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically)

 Context examples 

However, the performance of prototype devices has been limited to date, as the thermal changes are driven by limited magnetic fields from permanent magnets.

(Electronic solid could reduce carbon emissions in fridges and air conditioners, University of Cambridge)

Placed near a permanent magnet, when a laser was focused onto a fixed spot on the ring, it locally demagnetizes that portion of the ring, creating an unbalanced net force that causes the ring to turn.

(New Materials Developed by Scientists Able to Move in Response to Light, The Titi Tudorancea Bulletin)