magnetic bottle

American  

noun

1. Physics. a magnetic field so shaped that it can confine a plasma: used in a proposed design for fusion reactors.

---

magnetic bottle British  

noun

1. a configuration of magnetic fields for containing plasma

---

Etymology

Origin of magnetic bottle

First recorded in 1955–60

Example Sentences

That is, it’s easier to set up a nuclear magnetic bottle and mimic the inner workings of the sun than it is to throw a rock into a raging fire.

From Slate • Dec. 8, 2021

So we made a special pouch for the peanuts, based on feed and treat pouches for equestrian applications...that also just so happens to feature a little magnetic bottle opener on it.

From Golf Digest • May 7, 2018

It is, however, the birth story of the DropCatch magnetic bottle opener.

From Chicago Tribune • Oct. 1, 2014

The magnetic bottle is the only known practical container in which fusion can be sustained for any significant amount of time.

From Time Magazine Archive

He went on to tell them about the magnetic bottle inside the rocket's warhead, mentioning how much electric current was needed to keep up the magnetic field that insulated the negamatter from contact with posimatter.

From The Answer by Piper, H. Beam