sphere
noun (a sphere, spheres)
Everyday
- A round solid shape like a ball, where every point on the surface is the same distance from the centre. tree →
- An area of activity, interest or power: the sphere of science. tree →
- (science) A layer around the Earth: atmosphere, hemisphere. tree →
- In old writings, the spheres are the heavens, the great rings in the sky that carry the stars and planets. tree →
In the lessons
In maths, a sphere is a 3-D shape with one curved face, no edges and no vertices; balls, bubbles and planets are nearly spheres. In geography, hemispheres are halves of the Earth. Phrases: sphere of influence, half a sphere (hemisphere).
Examples
- A football is a sphere. tree →
- A sphere has one curved face and no edges. tree →
- The Earth is nearly a sphere. tree →
- A bubble is a sphere. tree →
- Half a sphere is called a hemisphere. tree →
- Music is her sphere of interest. tree →
- Through the spheres echoed the words: tree →
Note
Countable. Adjective: spherical. Spelling: sph-ere. Maths: a sphere is 3-D; its flat 2-D cousin is a circle. Volume = 4/3 × π × r³ (later maths).
In Jewish tradition
Interpretation: In Sefer Yetzirah the ten Sefirot are called spheres, which are the ten stages of God's creation. The letters are arranged on a sphere like a wheel that can turn for good or for evil. In the primary lessons: In maths, a sphere is a 3-D shape with one curved face, no edges and no vertices; balls, bubbles and planets are nearly spheres. In geography, hemispheres are halves of the Earth. Phrases: sphere of influence, half a sphere (hemisphere).
Examples
- These are the ten spheres of existence out of nothing. (Sefer Yetzirah, Kalisch 1877) tree →
- If the sphere be rotated forward, good is implied, if in a retrograde manner evil is intended. (Sefer Yetzirah, Westcott 1887) tree →
- These twenty-two letters, the foundations, He arranged as on a sphere, with two hundred and thirty-one modes of entrance. (Sefer Yetzirah, Westcott 1887) tree →
Note
Countable. Adjective: spherical. Spelling: sph-ere. Maths: a sphere is 3-D; its flat 2-D cousin is a circle. Volume = 4/3 × π × r³ (later maths).
On Mova
- Trees and pragmatics of «sphere» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
- «sphere» in the school dictionary on Mova free.
- Trees and pragmatics of «sphere» in the Judaism dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
- «sphere» in the Judaism dictionary on Mova free.
This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/sphere/