ERUPTION

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does eruption mean? 

• ERUPTION (noun)
  The noun ERUPTION has 6 senses:

1. the sudden occurrence of a violent discharge of steam and volcanic material

2. symptom consisting of a breaking out and becoming visible

3. (of volcanos) pouring out fumes or lava (or a deposit so formed)

4. a sudden violent spontaneous occurrence (usually of some undesirable condition)

5. a sudden very loud noise

6. the emergence of a tooth as it breaks through the gum

  Familiarity information: ERUPTION used as a noun is common.

 Dictionary entry details 

• ERUPTION (noun)

Sense 1

Meaning:

The sudden occurrence of a violent discharge of steam and volcanic material

Classified under:

Nouns denoting natural events

Synonyms:

eruption; volcanic eruption

Hypernyms ("eruption" is a kind of...):

discharge (the sudden giving off of energy)

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

Plinian eruption (a volcanic eruption in which a stream of gas and ash is violently ejected to a height of several miles)

Derivation:

erupt (become active and spew forth lava and rocks)

Sense 2

Meaning:

Symptom consisting of a breaking out and becoming visible

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("eruption" is a kind of...):

symptom ((medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease)

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

eczema vaccinatum; Kaposi's varicelliform eruption (a now rare complication of vaccinia superimposed on atopic dermatitis with high fever and generalized vesicles and papulovesicles)

enanthem; enanthema (eruption on a mucous membrane (as the inside of the mouth) occurring as a symptom of a disease)

exanthem; exanthema; skin eruption (eruption on the skin occurring as a symptom of a disease)

efflorescence; rash; roseola; skin rash (any red eruption of the skin)

Sense 3

Meaning:

(of volcanos) pouring out fumes or lava (or a deposit so formed)

Classified under:

Nouns denoting stable states of affairs

Synonyms:

eructation; eruption; extravasation

Hypernyms ("eruption" is a kind of...):

action; activeness; activity (the state of being active)

Domain category:

vent; volcano (a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt)

Derivation:

erupt (become active and spew forth lava and rocks)

Sense 4

Meaning:

A sudden violent spontaneous occurrence (usually of some undesirable condition)

Classified under:

Nouns denoting natural events

Synonyms:

eruption; irruption; outbreak

Context example:

the outbreak of hostilities

Hypernyms ("eruption" is a kind of...):

happening; natural event; occurrence; occurrent (an event that happens)

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

epidemic (a widespread outbreak of an infectious disease; many people are infected at the same time)

recrudescence (a return of something after a period of abatement)

Derivation:

erupt (erupt or intensify suddenly)

Sense 5

Meaning:

A sudden very loud noise

Classified under:

Nouns denoting natural events

Synonyms:

bam; bang; blast; clap; eruption

Hypernyms ("eruption" is a kind of...):

noise (sound of any kind (especially unintelligible or dissonant sound))

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

water hammer (the banging sound of steam in pipes)

Sense 6

Meaning:

The emergence of a tooth as it breaks through the gum

Classified under:

Nouns denoting natural events

Hypernyms ("eruption" is a kind of...):

egress; emergence; issue (the becoming visible)

Derivation:

erupt (break out)

 Context examples 

The researchers were able to determine the length of the black hole’s eruptions by studying cavities, or giant bubbles, in the multi-million degree gas in NGC 5813.

(Chandra Finds Evidence for Serial Black Hole Eruptions, NASA)

A chronic, inflammatory skin condition characterized by raised, ring shaped eruptions occurring singly or in groups; often on the tops of the hands, feet, elbows, and knees.

(Aggravated Granuloma Annulare, NCI Thesaurus)

Rare, chronic, papulo-vesicular disease characterized by an intensely pruritic eruption consisting of various combinations of symmetrical, erythematous, papular, vesicular, or bullous lesions.

(Dermatitis Herpetiformis, NLM, Medical Subject Headings)

A disorder involving lesions or eruptions of the skin, usually without inflammation.

(Dermatosis, NCI Thesaurus)

And there is another implication of this discovery – not for eruptions today but for the evolution of the Earth’s atmosphere billions of years ago.

(Size matters: if you are a bubble of volcanic gas, The Titi Tudorancea Bulletin)

Based on the characteristics of sound waves transmitted through the atmosphere, scientists can monitor and study the evolution of volcanoes right up until eruptions—and from a safe distance.

(Listen to the pulse of an erupting volcano, NSF)

An acute eruption of ulcerative lesions on the mucous membrane of the oropharynx.

(Enanthem, NCI Thesaurus)

It affects predominantly children and is characterized by the development of a bright red skin eruption in the cheeks.

(Erythema Infectiosum, NCI Thesaurus)

The term applied to a group of relatively uncommon inflammatory, maculopapular, scaly eruptions of unknown etiology and resistant to conventional treatment.

(Parapsoriasis, NLM, Medical Subject Headings)

Rough, dry, hypertrophic eruption of the skin associated with vitamin A deficiency.

(Phrynoderma, NCI Thesaurus)