portfire

A soldier lights the portfire to ignite the cannon.

Definition

1. Noun:
   • A fuse or igniting device: "portfire" refers to a slow-burning fuse or tube filled with combustible material, used especially in mining or demolition to ignite explosives or blasting charges.

Usage Examples

• Noun:
  • The miner carefully lit the portfire before retreating to a safe distance. (The slow-burning fuse used to ignite explosives.)
  • A portfire is essential for controlled detonations in construction sites. (The device is used for safe blasting operations.)

Advanced Usage

• "to light a portfire": to ignite the fuse for a controlled explosion.

  • The team lit the portfire and waited for the blast. (They activated the igniting device.)

• "portfire stick": a specific type of portfire in the form of a long, thin tube.

  • The demolition expert used a portfire stick to set off the charges. (A tubular fuse for precise ignition.)

Variants and Related Words

• Portfire (n): no common variants; the word is primarily used in technical contexts.
• Fireworks portfire: a type of portfire used in pyrotechnics.
  • The pyrotechnician used a portfire to ignite the fireworks display. (A fuse for fireworks.)

Synonyms

• Fuse: a cord or tube for igniting an explosive charge.
• Lighter: a device for starting a fire or igniting something.
• Igniter: a device that initiates combustion.

Phrasal Verbs

• Portfire off: to ignite and cause an explosion using a portfire (rare, technical usage).
  • They portfired off the charges in sequence. (They ignited the explosives using portfires.)

Related Idioms

• "burning the portfire": an idiom meaning to proceed with a dangerous or time-sensitive task (uncommon, metaphorical).
  • We’re burning the portfire on this project — we need to finish by midnight. (We are under pressure and need to complete quickly.)