9-letter words containing t, r, o, c
- nonsecret — not secret
- nontragic — not tragic
- nonvector — a quantity without size and direction
- nootropic — (medicine) Any substance purported to increase cognitive abilities.
- normocyte — an erythrocyte of normal size.
- northwich — a town in NW England, in Cheshire: salt and chemical industries. Pop: 39 568 (2001)
- nostratic — designating or of a proposed language superfamily that includes the Indo-European, Afroasiatic, Dravidian, Uralic, and Altaic families
- notecards — An ambitious hypertext system developed at Xerox PARC, "designed to support the task of transforming a chaotic collection of unrelated thoughts into an integrated, orderly interpretation of ideas and their interconnections".
- notochord — a rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates.
- nucleator — having a nucleus.
- obcordate — heart-shaped, with the attachment at the pointed end, as a leaf.
- objectors — Plural form of objector.
- objectory — (programming) An object-oriented methodology mostly created by Ivar Jacobson.
- obscurant — a person who strives to prevent the increase and spread of knowledge.
- obscurest — Superlative form of obscure.
- obscurity — the state or quality of being obscure.
- obsecrate — to entreat solemnly; beseech; supplicate.
- obstetric — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
- obstructs — Third-person singular simple present indicative form of obstruct.
- occurrent — the action, fact, or instance of occurring.
- ochlocrat — An adherent of the principle of ochlocracy; a advocate of mob rule.
- octachord — any musical instrument with eight strings.
- octahedra — Plural form of octahedron.
- octameter — consisting of eight measures or feet.
- octobrist — a member of a Russian political party that advocated constitutional monarchism: so called because it was organized after the Czar's manifesto in October, 1905.
- octometer — octameter.
- octonarii — lines with eight feet
- octothorn — Alternative form of octothorpe, the symbol #.
- octothorp — Another term for the pound sign ().
- ocularist — a person who makes artificial eyes
- odd trick — Bridge. each trick exceeding six that is taken by the declarer.
- off-track — designating or of legalized betting on horse races, carried on at places away from the racetrack
- olfactory — of or relating to the sense of smell: olfactory organs.
- on credit — with payment to be made at a future date
- oncometer — an instrument for measuring the size of body organs
- one-acter — a short play consisting of one act.
- one-track — having only one track.
- operatics — Exaggerated or overly emotional behaviour; histrionics.
- optronics — Optoelectronics.
- orchestic — relating to dance
- orchestra — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestre — Obsolete form of orchestra.
- orchidist — an orchid grower
- orchotomy — orchidotomy.
- orgiastic — of, relating to, or having the nature of an orgy.
- orthoepic — Of or pertaining to orthoepy.
- orthoptic — pertaining to or producing normal binocular vision.
- orthotics — Also, orthosis. a device or support, especially for the foot, used to relieve or correct an orthopedic problem.
- ostracean — a member of the family formerly called Ostracea
- ostracise — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.