COLD FRONT

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does cold front mean? 

• COLD FRONT (noun)
  The noun COLD FRONT has 1 sense:

1. the front of an advancing mass of colder air

  Familiarity information: COLD FRONT used as a noun is very rare.

 Dictionary entry details 

• COLD FRONT (noun)

Sense 1

Meaning:

The front of an advancing mass of colder air

Classified under:

Nouns denoting natural phenomena

Synonyms:

cold front; polar front

Hypernyms ("cold front" is a kind of...):

front ((meteorology) the atmospheric phenomenon created at the boundary between two different air masses)

Hyponyms (each of the following is a kind of "cold front"):

squall line (a cold front along which squalls or thunderstorms are likely)

 Context examples 

As the cold front travels through the galaxy cluster, it passes through a harsh environment of sound waves and turbulence caused by outbursts from the supermassive black hole at the center of Perseus.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

But, at two in the morning, his anxiety drove him out to the cold front stoop, where he crouched, and waited.

(White Fang, by Jack London)

The researchers used NASA’s Chandra X-ray Observatory to study a cold front located in the Perseus galaxy cluster that extends for about two million light-years, or about 10 billion billion miles.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

It seems that magnetic fields have draped themselves over the cold front, acting almost like a shield against the barrage of forces from the rest of the cluster.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

Somehow, in the face of all this bombardment, the cold front edge has survived intact.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

One of the most surprising aspects of this new research is that the cold front in Perseus remains sharp, even after billions of years.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

The enormous cold front studied with Chandra formed about 5 billion years ago and has been traveling at speeds of about 300,000 miles per hour ever since.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

The magnetic field along the cold front is equivalent to about one millionth of the strength of a typical refrigerator magnet, and is about ten times higher than in parts of the cluster away from the cold front.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)

The cold front in the Perseus cluster consists of a relatively dense band of gas with a cool temperature of about 30 million degrees moving through lower density hot gas with a temperature of about 80 million degrees.

(Scientists Surprised by Relentless Cosmic Cold Front, NASA)