floor
part of speech
noun (floor, floors); verb (floor, floored — to knock down or to surprise)
meaning for a pupil
1) A floor is the flat part of a room that you walk on. tree →
2) A floor is a level of a building, one above another, like the third floor. tree →
3) The ocean floor or forest floor is the ground at the bottom. tree →
sense in the lessons
maths: a flat surface to cover (area in square units: length × width; tiles and carpet) or a level of a building counted up and down («each floor has» gives a group to multiply); science: the forest floor, the ocean floor; everyday life: sweep the floor; safety: wet floor signs, keep toys off the floor; British «ground floor» is the US «first floor»
examples
- The floor is 5 metres long and 4 metres wide. tree →
- The hotel has 12 floors. tree →
- Each floor has 9 rooms. tree →
- She tiles a floor of 20 square feet. tree →
- Please pick your clothes up off the floor. tree →
- Careful, the floor is wet. tree →
- Leaves cover the forest floor. tree →
- Our classroom is on the second floor. tree →
note
With length and width it points to area (length × width); with «each floor has» it is a group for multiplying. Trap: going up from floor 3 to floor 7 is 4 floors, not 7. In the UK the floor at street level is the ground floor; in the USA it is the first floor.
In the corpora
- Modern elephant houses have deep sand and heated floors, because years on hard concrete hurt elephants' feet and joints.
- Coral reefs cover less than 1 per cent of the ocean floor but are home to about a quarter of all sea fish species.
- Most of the deep sea floor has never been seen by people.
- Long before there were gardeners, robins followed wild boar rooting through the forest floor for exactly the same reason.
- In autumn many house spiders run across the floor because the males are wandering in search of females.
Trees and pragmatics
Every meaning and example of «floor» parsed by Mova, each sentence with its dependency tree and frames.