- eruption
- noun1. the sudden occurrence of a violent discharge of steam and volcanic material (Freq. 1)• Syn: ↑volcanic eruption• Derivationally related forms: ↑erupt• Hypernyms: ↑discharge• Hyponyms: ↑Plinian eruption2. symptom consisting of a breaking out and becoming visible• Hypernyms: ↑symptom• Hyponyms:↑eczema vaccinatum, ↑Kaposi's varicelliform eruption, ↑enanthem, ↑enanthema, ↑exanthem, ↑exanthema, ↑skin eruption, ↑rash, ↑roseola, ↑efflorescence, ↑skin rash3. a sudden violent spontaneous occurrence (usually of some undesirable condition)-
the outbreak of hostilities
• Hypernyms: ↑happening, ↑occurrence, ↑occurrent, ↑natural event• Hyponyms: ↑epidemic, ↑recrudescence4. a sudden very loud noise• Hypernyms: ↑noise• Hyponyms: ↑water hammer5. (of volcanos) pouring out fumes or lava (or a deposit so formed)• Syn: ↑eructation, ↑extravasation• Derivationally related forms: ↑extravasate (for: ↑extravasation), ↑eruct (for: ↑eructation), ↑erupt• Hypernyms: ↑action, ↑activity, ↑activeness6. the emergence of a tooth as it breaks through the gum• Derivationally related forms: ↑erupt
Useful english dictionary. 2012.