jamming

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Definition

Noun: 1. The deliberate radiation or reflection of electromagnetic energy to disrupt the use of electronic devices or systems: This is a technical and military usage, referring to an electronic countermeasure intended to block or interfere with communications, radar, or other signals. 2. The act or instance of becoming stuck or making something stuck, often due to crowding or obstruction: This is a general usage describing a mechanical failure or a situation where movement is prevented. 3. The act of playing music informally, especially jazz or rock, in an improvised session: This is an informal musical usage, synonymous with a "jam session."

Usage Examples
  • Technical/Military Sense:
    • The aircraft's jamming of the radar system rendered the enemy's missiles ineffective.
    • Radio jamming is used to prevent the broadcast of unauthorized signals.
  • General Sense (becoming stuck):
    • The jamming of the printer was caused by a wrinkled piece of paper.
    • Traffic jamming at the intersection caused long delays.
  • Musical Sense:
    • The band stayed after the show for an hour of jamming.
    • We had a great jamming session in the garage last night.
Advanced Usage
  • "Jamming signal": A specific type of transmitted interference used in electronic warfare or to denote a busy signal on a telephone line.
    • The receiver detected a powerful jamming signal on the expected frequency.
Variants and Related Words
  • Jam (verb): To cause something to become stuck; to block a frequency; to play music informally.
    • He tried to jam too many clothes into the suitcase.
    • The protesters aimed to jam the government's broadcast signals.
    • The musicians love to jam together on weekends.
  • Jam (noun): A difficult situation ("in a jam"); a preserve made of fruit; an instance of becoming stuck.
    • I'm in a real jam and need your help.
    • She spread strawberry jam on her toast.
  • Jammer (noun): A device or person that causes jamming.
    • The ship was equipped with a radar jammer.
Synonyms
  • For electronic disruption: Interference, blocking, disruption.
  • For becoming stuck: Sticking, obstruction, clogging, blockage.
  • For musical session: Improvising, session.
Related Phrasal Verbs/Phrases
  • Jam on (the brakes): To apply brakes suddenly and forcefully.
    • The driver jammed on the brakes to avoid the dog.
  • Jam something into/onto: To force something into a space.
    • He jammed the key into the lock.
Related Idioms
  • "Jam session": An informal gathering of musicians to play improvised music.
    • The club is famous for its late-night jazz jam sessions.
  • "Traffic jam": A situation in which vehicles are stuck in a long line and cannot move.
    • We were late due to a massive traffic jam on the highway.
Noun
  1. deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems

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