Definition of polygon in English:

polygon

noun ˈpɒlɪɡ(ə)nˈpɑliˌɡɑn

Geometry

A plane figure with at least three straight sides and angles, and typically five or more.
Example sentencesExamples
- The polygon circumscribing the circle of radius s is shown in Figure 10b.
- She reasoned that there are three different ways in which a convex polygon encloses all five points.
- For purposes of clarification: a hexagon is a polygon with six sides and six angles.
- He proposed successively doubling the number of sides of a regular polygon inscribed in a circle so that the difference in areas would eventually become exhausted.
- This he obtained by circumscribing and inscribing a circle with regular polygons having 96 sides.

Derivatives

polygonal

adjective pəˈlɪɡ(ə)n(ə)lpəˈlɪɡ(ə)nl

Geometry

The chambers are usually square, rectangular, or polygonal in plan and often show structural compartmentalization with side cells opening from the main chamber.
Example sentencesExamples
- Architecturally they incorporate the low roofs, polygonal towers and shallow, semicircular domes of the Byzantine mode.
- It is possible to minimize flatness variations in polygon facets by carefully mounting the polygonal mirror to the spindle.
- Most cells were polygonal and mononuclear in form with ovoid nuclei, occasionally showing clefting.
- The opening between adjacent cells is trapezoidal or polygonal.

Origin

Late 16th century: via late Latin from Greek polugōnon, neuter (used as a noun) of polugōnos 'many-angled'.

pentagon from late 16th century:
The Greek expertise in geometry means that many geometrical forms have Greek names. The five-sided pentagon is formed from penta ‘five’ and gonia ‘angle’, just as polygon (late 16th century) is formed from the word for ‘many’ plus -gon and diagonal (mid 16th century) with dia ‘through’. Penta is also found in words such as the mystic figures of the pentangle (Late Middle English), pentacle (late 16th century), and pentagram (mid 19th century), and in the pentathlon (early 17th century), once the original five events of leaping, running, discus-throwing, spear-throwing, and wrestling of ancient Greek and Roman games. Fifty is found in Pentecost (Old English) which came via ecclesiastical Latin from Greek pentēkostē (hēmera) ‘fiftieth (day)’. The Jewish festival of Shavuoth is held on the fiftieth day after the second day of Passover. The Christian festival is held on the seventh Sunday after Easter commemorating the descent of the Holy Spirit on the disciples as recorded in Acts 2.

Definition of polygon in US English:

polygon

nounˈpɑliˌɡɑnˈpälēˌɡän

Geometry

A plane figure with at least three straight sides and angles, and typically five or more.
Example sentencesExamples
- She reasoned that there are three different ways in which a convex polygon encloses all five points.
- For purposes of clarification: a hexagon is a polygon with six sides and six angles.
- He proposed successively doubling the number of sides of a regular polygon inscribed in a circle so that the difference in areas would eventually become exhausted.
- The polygon circumscribing the circle of radius s is shown in Figure 10b.
- This he obtained by circumscribing and inscribing a circle with regular polygons having 96 sides.

Origin

Late 16th century: via late Latin from Greek polugōnon, neuter (used as a noun) of polugōnos ‘many-angled’.

单词	polygon
释义	Definition of polygon in English: polygon noun ˈpɒlɪɡ(ə)nˈpɑliˌɡɑn Geometry A plane figure with at least three straight sides and angles, and typically five or more. Example sentencesExamples The polygon circumscribing the circle of radius s is shown in Figure 10b. She reasoned that there are three different ways in which a convex polygon encloses all five points. For purposes of clarification: a hexagon is a polygon with six sides and six angles. He proposed successively doubling the number of sides of a regular polygon inscribed in a circle so that the difference in areas would eventually become exhausted. This he obtained by circumscribing and inscribing a circle with regular polygons having 96 sides. Derivatives polygonal adjective pəˈlɪɡ(ə)n(ə)lpəˈlɪɡ(ə)nl Geometry The chambers are usually square, rectangular, or polygonal in plan and often show structural compartmentalization with side cells opening from the main chamber. Example sentencesExamples Architecturally they incorporate the low roofs, polygonal towers and shallow, semicircular domes of the Byzantine mode. It is possible to minimize flatness variations in polygon facets by carefully mounting the polygonal mirror to the spindle. Most cells were polygonal and mononuclear in form with ovoid nuclei, occasionally showing clefting. The opening between adjacent cells is trapezoidal or polygonal. Origin Late 16th century: via late Latin from Greek polugōnon, neuter (used as a noun) of polugōnos 'many-angled'. pentagon from late 16th century: The Greek expertise in geometry means that many geometrical forms have Greek names. The five-sided pentagon is formed from penta ‘five’ and gonia ‘angle’, just as polygon (late 16th century) is formed from the word for ‘many’ plus -gon and diagonal (mid 16th century) with dia ‘through’. Penta is also found in words such as the mystic figures of the pentangle (Late Middle English), pentacle (late 16th century), and pentagram (mid 19th century), and in the pentathlon (early 17th century), once the original five events of leaping, running, discus-throwing, spear-throwing, and wrestling of ancient Greek and Roman games. Fifty is found in Pentecost (Old English) which came via ecclesiastical Latin from Greek pentēkostē (hēmera) ‘fiftieth (day)’. The Jewish festival of Shavuoth is held on the fiftieth day after the second day of Passover. The Christian festival is held on the seventh Sunday after Easter commemorating the descent of the Holy Spirit on the disciples as recorded in Acts 2. Definition of polygon in US English: polygon nounˈpɑliˌɡɑnˈpälēˌɡän Geometry A plane figure with at least three straight sides and angles, and typically five or more. Example sentencesExamples She reasoned that there are three different ways in which a convex polygon encloses all five points. For purposes of clarification: a hexagon is a polygon with six sides and six angles. He proposed successively doubling the number of sides of a regular polygon inscribed in a circle so that the difference in areas would eventually become exhausted. The polygon circumscribing the circle of radius s is shown in Figure 10b. This he obtained by circumscribing and inscribing a circle with regular polygons having 96 sides. Origin Late 16th century: via late Latin from Greek polugōnon, neuter (used as a noun) of polugōnos ‘many-angled’.
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