List of 12-letter words ending with

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There are 14 twelve-letter words ending with RON

ANTIELECTRON	• antielectron n. (Physics) Synonym of positron. • ANTIELECTRON n. the antimatter equivalent of an electron.
CHILIAHEDRON	• chiliahedron n. (Geometry) A polyhedron bounded by one thousand plane surfaces. • CHILIAHEDRON n. (Greek) a one-thousand sided solid figure.
DODECAHEDRON	• dodecahedron n. (Geometry) A polyhedron with twelve faces; the regular dodecahedron has regular pentagons as faces and… • DODECAHEDRON n. (Greek) a twelve-sided solid figure.
ENTOPLASTRON	• entoplastron n. (Anatomy) The median plate of the plastron of turtles. • ENTOPLASTRON n. the unpaired plate behind the epiplastra in a turtle's plastron.
HYMENOPTERON	• hymenopteron n. Any insect of the order Hymenoptera. • HYMENOPTERON n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERAN.
HYPOPLASTRON	• hypoplastron n. The third lateral plate in the plastron of turtles. • HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron.
LEPIDOPTERON	• lepidopteron n. (Zoology) Any insect of the order Lepidoptera. • LEPIDOPTERON n. any of numerous insects of the order Lepidoptera, typically having two pairs of wings covered with fragile scales, also LEPIDOPTERAN.
LIRIODENDRON	• liriodendron n. Any of several large North American trees, of the genus Liriodendron, that have tulip-like flowers;… • Liriodendron prop.n. A taxonomic genus within the family Magnoliaceae – the two species of tulip tree. • LIRIODENDRON n. the tulip tree.
NYCHTHEMERON	• nychthemeron n. A period of one day and one night, a date: in the West, this is a period of 24 consecutive hours. • NYCHTHEMERON n. (Greek) a full period of a day and night.
PHILODENDRON	• philodendron n. Any of several climbing plants, of the genus Philodendron, native to America and the West Indies that… • PHILODENDRON n. any of various aroid plants cultivated for their showy foliage.
PHOTONEUTRON	• photoneutron n. (Physics) Any neutron produced by a photonuclear reaction. • PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PYRITOHEDRON	• pyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons. • pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite. • PYRITOHEDRON n. a pentagonal dodecahedron.
RHODODENDRON	• rhododendron n. (Obsolete) Oleander (Nerium oleander). • rhododendron n. Any of various flowering shrubs in the genus Rhododendron, especially. • Rhododendron prop.n. A taxonomic genus within the family Ericaceae – rhododendrons and azaleas.
RHOMBOHEDRON	• rhombohedron n. A prism with six faces, each a rhombus. • RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 81 words
Scrabble in French: 2 words
Scrabble in Spanish: 1506 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 2 words

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