fireball

fire·ball  (frbôl)

n.

1. A brilliantly burning sphere.

2. A highly luminous, intensely hot spherical cloud of dust, gas, and vapor generated by a nuclear explosion.

3. A meteor that is as bright or brighter than the brightest planets.

4. See ball of fire.

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fireball [ˈfaɪəˌbɔːl]

n

1. (Earth Sciences / Physical Geography) a ball-shaped discharge of lightning

2. (Physics / General Physics) the bright spherical region of hot ionized gas at the centre of a nuclear explosion

3. (Astronomy) Astronomy another name for bolide

4. Slang an energetic person

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The luminous sphere of hot gases which forms a few millionths of a second after detonation of a nuclear weapon and immediately starts expanding and cooling.

Thesaurus

Noun	1.	fireball - an especially luminous meteor (sometimes exploding) bolide shooting star, meteor - a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode
	2.	fireball - a highly energetic and indefatigable person ball of fire, human dynamo, powerhouse doer, actor, worker - a person who acts and gets things done; "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker" self-starter - an energetic person with unusual initiative
	3.	fireball - a ball of fire (such as the sun or a ball-shaped discharge of lightning) globe, orb, ball - an object with a spherical shape; "a ball of fire"
	4.	fireball - the luminous center of a nuclear explosion atomic explosion, nuclear explosion - the explosion of an atomic bomb globe, orb, ball - an object with a spherical shape; "a ball of fire"

Translations

fireball [ˈfaɪəbɔːl] N → bola f de fuego

fireball [ˈfaɪə^rbɔːl] n → boule f de feu
fire blanket n → couverture f antifeu

fireball [ˈfaɪəˌbɔːl] n (Astron) → bolide m; (nuclear) → palla di fuoco; (lightning) → fulmine m globulare