13-letter words containing r, i, g, o, s
- ocean springs — a town in SE Mississippi.
- octogenarians — Plural form of octogenarian.
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- opening hours — Opening hours are the times during which a shop, bank, library, or bar is open for business.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- orchestrating — Present participle of orchestrate.
- orchidologist — someone who is knowledgeable in orchidology
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- organisations — Plural form of organisation.
- organizations — The action of organizing something.
- organoarsenic — (organic chemistry) Describing any organic compound containing a carbon to arsenic bond.
- organogenesis — Biology. the origin and development of an organ.
- organosilicon — pertaining to or noting an organic compound containing silicon, especially where attached directly to a carbon atom.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- orgiastically — In an orgiastic fashion.
- originalities — Plural form of originality.
- orismological — relating to orismology
- ornithologist — the branch of zoology that deals with birds.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthographies — Plural form of orthography.
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outside-right — a footballer who plays on the outside right wing of the field
- outstretching — Present participle of outstretch.
- over-designed — having too many design features; fussy
- over-standing — overreach (def 13).
- over-trusting — reliance on the integrity, strength, ability, surety, etc., of a person or thing; confidence.
- overdiagnosed — Simple past tense and past participle of overdiagnose.
- overdiagnosis — excessive diagnosis of a disease
- overingenious — ingenious to a fault
- photo-sharing — the publishing of digital photographs on the internet
- phraseologist — a person who treats of or is concerned with phraseology.
- physiographic — the science of physical geography.
- pigeon breast — chicken breast.
- pine grosbeak — a large grosbeak, Pinicola enucleator, of coniferous forests of northern North America and Eurasia, the male of which has rose and gray plumage.
- plagiotropism — plagiotropic tendency or growth.
- pneumogastric — of or relating to the lungs and stomach.
- post-marriage — (broadly) any of the diverse forms of interpersonal union established in various parts of the world to form a familial bond that is recognized legally, religiously, or socially, granting the participating partners mutual conjugal rights and responsibilities and including, for example, opposite-sex marriage, same-sex marriage, plural marriage, and arranged marriage: Anthropologists say that some type of marriage has been found in every known human society since ancient times. See Word Story at the current entry.
- postbourgeois — (in Marxist thought) belonging to a period of society after the decline of the bourgeoisie
- postinaugural — of or relating to the period after an inauguration
- posting error — an error made while carrying over an entry from a journal to a ledger
- pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
- power-sharing — Power-sharing is a political arrangement in which different or opposing groups all take part in government together.
- prediagnostic — of, relating to, or used in diagnosis.
- prepossessing — that impresses favorably; engaging or attractive: a confident and prepossessing young man.
- prestigiously — indicative of or conferring prestige: the most prestigious address in town.
- primatologist — the branch of zoology dealing with the primates.
- progestogenic — relating to progestogen
- prognosticate — to forecast or predict (something future) from present indications or signs; prophesy.