rotation

«rotation» in Mova's judaism dictionary: turning around a centre point or a line: "the rotation of… — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

part of speech

noun (a rotation, rotations; rotation as uncountable)

meaning for a pupil

1) Rotation is turning around a centre point or a line: "the rotation of the Earth". tree →

2) A rotation is one complete turn: "the wheel makes 10 rotations a minute". tree →

3) In maths, a rotation is a turn of a shape around a fixed point by an angle, such as a quarter turn (90 degrees). tree →

4) Rotation is taking turns in a fixed order: "we do the jobs in rotation". tree →

5) Crop rotation is growing different crops in a field each year to keep the soil healthy. tree →

sense in the lessons

Interpretation: The turning of the letters in the "gates" is read by tradition as the way they combine to make all things. In the primary lessons: In maths, rotations are given by an angle (90, 180, 270 or 360 degrees), a direction (clockwise or anticlockwise) and a centre of rotation; rotational symmetry means a shape looks the same after part of a turn. In science, the Earth's rotation on its axis makes day and night, taking about 24 hours. In PE and school jobs, things done in rotation are shared fairly. Phrases: rotation of the Earth, in rotation, quarter rotation, rotational symmetry, crop rotation.

examples

• Rotation; from חָלֹל to dance round. (Sefer Yetzirah, Kalisch 1877) tree →
• Just as the sphere remains the same during the rotation on its axis in its setting and in its rising; yet it appears to us as if it had undergone a great change on account of its different position. (Sefer Yetzirah, Kalisch 1877) tree →
• The rotation of the Earth gives us day and night. tree →
• One full rotation of the Earth takes about 24 hours. tree →
• Rotate the triangle 90 degrees clockwise about point A. tree →
• A full rotation is 360 degrees; a half rotation is 180 degrees. tree →
• The wheel made 50 rotations in a minute. tree →
• We take the class jobs in rotation. tree →
• Farmers use crop rotation to keep the soil rich. tree →

note

Verb: rotate. Do not mix up rotation (spinning on its own axis: Earth, one day) and revolution or orbit (going around something else: the Earth around the Sun, one year). In maths, a rotation keeps the shape's size and form; only its direction changes. Anticlockwise (UK) = counterclockwise (USA).

In the corpora

• Changing the crop in each field from year to year is called crop rotation and keeps the soil healthy.

Trees and pragmatics

Every meaning and example of «rotation» parsed by Mova, each sentence with its dependency tree and frames.