unroll
part of speech
verb (unroll, unrolls, unrolled, unrolling)
meaning for a pupil
1) To open out something that was rolled up so it lies flat. tree →
2) To become open and flat after being rolled. tree →
sense in the lessons
Used in everyday life and school: unroll a sleeping bag, a mat, a poster, a map, a roll of paper. In maths, unrolling a cylinder (a tube) shows a rectangle, which helps you find its surface area.
examples
- We unrolled our sleeping bags in the tent. tree →
- The teacher unrolled the big map on the floor. tree →
- Unroll the yoga mat before class starts. tree →
- The scroll slowly unrolled on the table. tree →
- If you unroll the label of a tin, it is a rectangle. tree →
- She unrolled the carpet and it covered the whole room. tree →
- He went his way, but she remained where she was, unrolling the ball. tree →
note
Regular verb: unrolled, unrolling (double l). Opposite: roll up. Takes «an» only as «an unrolled map». Maths: an unrolled cylinder side is a rectangle whose length is the distance round the circle.
Trees and pragmatics
Every meaning and example of «unroll» parsed by Mova, each sentence with its dependency tree and frames.