DictionaryRoot: -io
Latin

-io

an action, process, or result

Forms

  • -io
  • -ion- — The longer form used before Latin endings.
  • -ion — The form carried into many English nouns.

Origin

An old Latin noun ending, inherited from earlier Indo-European word formation.

Note

The ending can name both an activity and what that activity produces.

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noun

explosion

ik-SPLOH-zhuhn/ɪkˈspləʊʒn/

A sudden, forceful burst of energy.

The explosion shakes nearby buildings and sends smoke into the sky.

A distant controlled rock-quarry blast throws dust and small stones outward, no people nearby.
Etymology

The roots evoke driving someone out by clapping or making noise, originally an audience rejecting a performer. The meaning shifted through violent, noisy expulsion to a sudden bursting or going off.

In context

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A violent explosion ripping through the parking garage on that day
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More examples

  • A gas leak caused an explosion in the basement.
  • Workers use controlled explosions to break apart rock.
  • Firefighters warn that the damaged tank could cause another explosion.

Forms

explosion · explosions

explode verb — To burst suddenly and with force.

explosive adjective — Capable of causing a sudden, violent burst.

Similar words

blast
Often emphasizes the destructive pressure or force released.
detonation
Specifically involves an explosive reaction driven by a shock wave.
burst
Can describe a sudden break without a violent release of energy.