floor joist
- noun
- /flɔr dʒɔɪst/
- Specialized
- It soon became clear that the plumber who installed it soldered the water pipes up between two of the floor joists after the tank was in place.
- nail floor joists
- perpendicular to floor joists
- floor joists in place
Examples
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Proper installation of floor joists is essential for the stability of the entire structure.
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The contractor recommended using treated wood for the floor joists to prevent rot.
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I screwed a a very heavy duty eye bolt right into the floor joist and that way it's not going anywhere.
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For four days, I worked in the basement blocking the floor joists.
Fiction book (1995) -
By working all day, he was able to finish nailing in the floor joists.
Fiction book (1990) -
I shifted my weight, creaking the floor joist.
Fiction book (2001) -
The floor joists were creaking again under the weight of the sand dune.
Fiction book (2001) -
These rough-sawn planks were finished with plain, squared edges; laid side by side; and face-nailed into the floor joists.
Blog text (22) -
We replaced the old floor with new boards supported by sturdy floor joists.
Synonyms
A long strong piece of wood, metal, or concrete that supports part of a building
A long strong piece of wood, metal or concrete that supports floors and ceilings
How Strong
Surface Forms
Morphology
The compound 'floor joist' is directly built from 'floor' (the room's bottom surface) modifying 'joist' (a structural beam), so its meaning — a joist that supports a floor — is transparently derivable from the constituents. This noun–noun composition follows regular English compounding patterns and has clear equivalents in many languages, making it immediately understandable to learners who know both words.
Etymology
The term floor joist comes from building work: a joist is a strong horizontal beam that sits under the floor to 'hold it up'. So, floor joist means 'a beam that supports a floor'.