different between pylon vs tetrahedron

English

Etymology

From Ancient Greek ????? (pul?n).

Pronunciation

• IPA^(key): /?pa?.l?n/

Noun

pylon (plural pylons)

1. A gateway to the inner part of an Ancient Egyptian temple.
2. A tower-like structure, usually one of a series, used to support high-voltage electricity cables.
3. (aviation) A structure used to mount engines, missiles etc., to the underside of an aircraft wing or fuselage.
4. (aviation, historical) A starting derrick for an aeroplane.
5. (aviation, historical) A post, tower, etc. as on an aerodrome, or flying ground, serving to bound or mark a prescribed course of flight.
6. An obelisk.
7. A traffic cone.
8. (American football) An orange marker designating one of the four corners of the end zone in American football.
9. (medicine) A rigid prosthesis for the lower leg.
   • 1963, Robert Mazet, The Influence of Prosthesis Wearing on the Health of the Geriatric Patient (page 5)

     McKenzie uses a pylon for all above knee amputees, and orders a permanent leg when function merits it.

   • 2007, Michelle H. Cameron, Linda Monroe, Physical Rehabilitation - E-Book

     During the early postoperative period, before the patient has a prosthesis, they may have a rigid dressing with a pylon.

Translations

Dutch

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• IPA^(key): /pi?l?n/
• Hyphenation: py?lon
• Rhymes: -?n

Noun

pylon m (plural pylonnen or pylonen, diminutive pylonnetje n)

1. A traffic cone

   Synonym: verkeerskegel

Polish

Pronunciation

• IPA^(key): /?p?.l?n/

Noun

pylon m inan

1. gateway to the inner part of an Ancient Egyptian temple
2. pillar of a suspension or cable-stayed bridge
3. high, narrow, vertical sign, usually displaying advertisements, found e.g. near gas stations

Declension

English

Alternative forms

• tetraedrum (obsolete)

Etymology

From Ancient Greek ?????????? (tetráedron, “triangle-based pyramid”), from ?????????? (tetráedros), from ?????? (tetrás, “four”) + ???? (hédra, “seat”); synchronically analyzable as tetra- +? -hedron.

Pronunciation

• enPR: t?tr?h?'dr?n, IPA^(key): /t?t???hi?d??n/

Noun

tetrahedron (plural tetrahedrons or tetrahedra)

1. (geometry) A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.

Derived terms

Translations