crowbar
part of speech
noun (a crowbar, crowbars)
meaning for a pupil
1) A crowbar is a long, heavy metal bar with a flat or bent end, used to lift or force things open. tree →
2) It works as a lever, so a small push gives a big force. tree →
sense in the lessons
In science lessons a crowbar is a good example of a lever: with a pivot near the load, a small push on the long end lifts something heavy. In everyday life builders use crowbars to pull out nails or lift boards. In stories burglars or rescuers may use a crowbar to force a door open. Phrases: «prise open with a crowbar», «a crowbar and a hammer».
examples
- The builder used a crowbar to lift the old floorboards. tree →
- He forced the stuck lid open with a crowbar. tree →
- A crowbar is a kind of lever. tree →
- The longer the crowbar, the easier it is to lift the stone. tree →
- Firefighters used a crowbar to open the jammed door. tree →
- Dad pulled out the rusty nails with a crowbar. tree →
- Crowbars are very heavy. tree →
- The thief left a crowbar behind. tree →
- When the people outside found that the door was not opened to them, they took crowbars and forced the portal. tree →
note
Countable, one word. Also called a «jemmy» (UK) or «pry bar» (US). Safety: a crowbar is a heavy tool for adults; it can slip and hurt. In lever problems, the longer the distance from the pivot, the less force you need.
Trees and pragmatics
Every meaning and example of «crowbar» parsed by Mova, each sentence with its dependency tree and frames.