9-letter words containing o, c, t, s
- octopodes — (rare) Irregular plural form of octopus.
- octopuses — Plural form of octopus.
- octuplets — Plural form of octuplet.
- ocularist — a person who makes artificial eyes
- oldcastle — Sir John (Lord Cobham) 1377–1417, English martyr: leader of a Lollard conspiracy; executed for treason and heresy; model for Shakespeare's Falstaff.
- olfactics — The study of smells and how they are perceived.
- omniscent — Misspelling of omniscient All-knowing.
- onanistic — withdrawal of the penis in sexual intercourse so that ejaculation takes place outside the vagina; coitus interruptus.
- oncostman — a miner who is paid daily
- onomastic — of or relating to proper names.
- oomycetes — Plural form of oomycete.
- opacities — the state or quality of being opaque.
- open-cast — open-cut.
- operatics — Exaggerated or overly emotional behaviour; histrionics.
- opticians — Plural form of optician.
- 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
- orgiastic — of, relating to, or having the nature of an orgy.
- orthotics — Also, orthosis. a device or support, especially for the foot, used to relieve or correct an orthopedic problem.
- oscillate — to swing or move to and fro, as a pendulum does.
- oscitancy — yawning, as with drowsiness; gaping.
- osculated — Simple past tense and past participle of osculate.
- osculates — Third-person singular simple present indicative form of osculate.
- osmoticum — (biology) Any substance that acts to supplement osmotic pressure in a plant or a culture of plant cells.
- ostectomy — excision of part or all of a bone.
- osteocope — severe pain in the bones, especially that occurring in syphilitic persons.
- osteocyte — a cell of osseous tissue within the bone matrix; a bone cell.
- 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.
- ostracism — exclusion, by general consent, from social acceptance, privileges, friendship, etc.
- ostracize — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- ostracods — Plural form of ostracod.
- ostriches — Plural form of ostrich.
- ostricize — Misspelling of ostracize.
- otoscopes — Plural form of otoscope.
- otoscopic — an instrument for examining the external canal and tympanic membrane of the ear.
- outcasted — Simple past tense and past participle of outcaste.
- outcastes — Plural form of outcaste.
- outmuscle — to get the better of or dominate by virtue of superior strength or force.
- outscheme — to outdo in scheming
- outscored — Simple past tense and past participle of outscore.
- outscores — Third-person singular simple present indicative form of outscore.
- outscream — to scream louder than
- outsearch — to go or look through (a place, area, etc.) carefully in order to find something missing or lost: They searched the woods for the missing child. I searched the desk for the letter.
- outsource — (of a company or organization) to purchase (goods) or subcontract (services) from an outside supplier or source.
- outstruck — to deal a blow or stroke to (a person or thing), as with the fist, a weapon, or a hammer; hit.
- overcasts — Plural form of overcast.