13-letter words containing g, o, i, a
- nontangential — pertaining to or of the nature of a tangent; being or moving in the direction of a tangent.
- nonvegetarian — a person who is not vegetarian
- noradrenergic — Having the quality of noradrenaline.
- north chicago — a city in NE Illinois, on Lake Michigan.
- north reading — a city in NE Massachusetts.
- norwegian sea — part of the Arctic Ocean, N and E of Iceland and between Greenland and Norway.
- nosologically — In terms of nosology.
- nostalgically — experiencing or exhibiting nostalgia, a sentimental or wistful yearning for the happiness felt in a former place, time, or situation.
- nothing loath — willing
- now and again — at the present time or moment: You are now using a dictionary.
- numerological — Of, pertaining to, or based on numerology.
- numismatology — Numismatics.
- objurgatively — In an objurgative or reproving manner.
- oblique angle — an angle that is not a right angle; an acute or obtuse angle.
- ocean springs — a town in SE Mississippi.
- oceanic ridge — any section of the narrow, largely continuous range of submarine mountains that extends into all the major oceans and at which new oceanic lithosphere is created by the rise of magma from the earth's interior
- oceanographic — the branch of physical geography dealing with the ocean.
- oceanological — relating to the science and analysis of the ocean
- octane-rating — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- octogenarians — Plural form of octogenarian.
- oil hardening — to quench (steel) in a bath of oil.
- oilspot glaze — a brown or black ceramic glaze dotted with silvery spots caused by impurities.
- old bulgarian — the Bulgarian language of the Middle Ages.
- old norwegian — the language of Norway as spoken and written from the middle of the 12th to the end of the 14th centuries.
- olduvai gorge — a gorge in Tanzania in which is located a site containing Australopithecine and human skeletal and cultural remains.
- oleomargarine — margarine.
- olfactologist — a medical specialist in the sense of smell
- oligosiloxane — (organic chemistry) Any polysiloxane having a relatively small number of -Si-O- groups.
- olympic games — international sports event
- onomatologist — One versed in the history of names.
- ontologically — In an ontological manner.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- open learning — a system of further education on a flexible part-time basis
- open marriage — a marriage in which the partners agree that each is free to have sexual relationships with other partners.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppignoration — the act or an instance of pawning or pledging
- optical glass — any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.
- optical wedge — a wedge-shaped filter whose transmittance decreases from one end to the other: used as an exposure control device in sensitometry.
- orchestrating — Present participle of orchestrate.
- ordinary gain — An ordinary gain is a gain in the course of normal business.
- organ grinder — an itinerant street musician who earns a living by playing a hand organ or hurdy-gurdy.
- 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.
- organ-builder — a maker of organs
- organ-grinder — an itinerant street musician who earns a living by playing a hand organ or hurdy-gurdy.
- 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.
- organogenetic — Relating to organogenesis.
- organolithium — (organic chemistry) Describing any organic compound containing a carbon to lithium bond.