頂点は英語で
zenith

英語の定義

頂点
1. n. top, peak, summit, vertex
2. n. (geometry graph theory) vertex
3. n. (geometry) apex

zenith
1. 名詞. 頂点、絶頂。

zenith
1. n. (astronomy) The point in the sky vertically above a given position or observer; the point in the celestial sphere opposite the nadir.
2. n. (astronomy) The highest point in the sky reached by a celestial body.
3. n. (by extension) Highest point or state; peak.

peak
1. 頂上, 山頂

peak
1. n. A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
2. n. The highest value reached by some quantity in a time period.
The stock market reached a peak in September 1929.
3. n. (geography) The top, or one of the tops, of a hill, mountain, or range, ending in a point.
They reached the peak after 8 hours of climbing.
4. n. (geography) The whole hill or mountain, especially when isolated.
5. n. (nautical) The upper aftermost corner of a fore-and-aft sail.
peak-halyards
peak-brails
6. n. (nautical) The narrow part of a vessel's bow, or the hold within it.
7. n. (nautical) The extremity of an anchor fluke; the bill.
8. n. (mathematics) A local maximum of a function, e.g. for sine waves, each point at which the value of y is at its maximum.
9. v. To reach a highest degree or maximum.
Historians argue about when the Roman Empire began to peak and ultimately decay.
10. v. To rise or extend into a peak or point; to form, or appear as, a peak.
11. v. (nautical, transitive) To raise the point of (a gaff) closer to perpendicular.
12. adj. (MLE) Bad
13. adj. (MLE) Unlucky; unfortunate
14. v. (intransitive) To become sick or wan.
15. v. (intransitive) To acquire sharpness of figure or features; hence, to look thin or sickly.
16. v. (intransitive) To pry; to peep slyly.
17. n. alt form, peag, , wampum
18. v. misspelling of pique

pinnacle
1. n. The highest point.
2. n. A tall, sharp and craggy rock or mountain.
3. n. (figuratively) An all-time high; a point of greatest achievement or success.
4. n. (architecture) An upright member, generally ending in a small spire, used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire.
5. v. To put something on a pinnacle.
6. v. To build or furnish with a pinnacle or pinnacles.

vertex
1. n. The highest point of something.
2. n. (anatomy) The highest surface on the skull.
3. n. (geometry) The common point of the two rays of the angle, or its equivalent structure in polyhedra (meeting of edges) and higher order polytopes.
4. n. (mathematics) A point on the curve with a local minimum or maximum of curvature.
5. n. (graph theory) One of the elements of a graph joined or not by edges to other vertices.
6. n. (computer graphics) A point in 3D space, usually given in terms of its Cartesian coordinates.
7. n. (optics) The point where the surface of a lens crosses the optical axis.
8. n. (nuclear, or particle physics) An interaction point.
9. n. (astrology) The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.