13-letter words containing u, n, t, o
- obtrusiveness — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
- oceanic crust — the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb).
- octagon house — a type of American house, c. 1850, having an octagonal perimeter to reduce exterior wall area.
- octane number — (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.
- odontoglossum — any epiphytic orchid of the genus Odontoglossum, of the mountainous regions from Bolivia to Mexico.
- off one's nut — a dry fruit consisting of an edible kernel or meat enclosed in a woody or leathery shell.
- oil pollution — pollution caused by the leaking of oil, esp. from a ship
- on a suddenty — suddenly, unexpectedly
- on account of — an oral or written description of particular events or situations; narrative: an account of the meetings; an account of the trip.
- on no account — an oral or written description of particular events or situations; narrative: an account of the meetings; an account of the trip.
- on the bounce — in succession; one after the other
- on the bubble — in a situation in which the outcome is uncertain but already in the process of being determined or decided
- on the button — a small disk, knob, or the like for sewing or otherwise attaching to an article, as of clothing, serving as a fastening when passed through a buttonhole or loop.
- on the double — twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
- on the square — a rectangle having all four sides of equal length.
- on your terms — If you do something on your terms, you do it under conditions that you decide because you are in a position of power.
- one-two punch — Also called one-two punch. Boxing. a left-hand jab immediately followed by a right cross.
- onto function — Mathematics. a function from one set to a second set, the range of which is the entire second set.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open fracture — compound fracture.
- open juncture — a transition between successive sounds marked by a break in articulatory continuity, as by a pause or the modification of a preceding or following sound, and often indicating a division between words; presence of juncture (opposed to close juncture). Also called plus juncture. Compare close juncture, juncture (def 7a), terminal juncture.
- open question — question: invites long answer
- open-and-shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- openmouthedly — in a manner filled with amazement and wonder
- opportuneness — The state or condition of being opportune.
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- oral solution — An oral solution is a medicine in liquid form for drinking.
- organolithium — (organic chemistry) Describing any organic compound containing a carbon to lithium bond.
- orthognathous — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- out and about — busy, active outside the home
- out of action — If someone or something is out of action, they are injured or damaged and cannot work or be used.
- out of bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- out of danger — no longer at risk
- out of season — one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
- out on a limb — a part or member of an animal body distinct from the head and trunk, as a leg, arm, or wing: the lower limbs; artificial limbs.
- out one's way — in, to, or near one's neighborhood
- out-and-outer — a person who does things with excessive thoroughness; extremist.
- out-of-bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- out-of-towner — a visitor from another town or city: The World's Fair brought many out-of-towners to New Orleans.
- outdistancing — Present participle of outdistance.
- outdo oneself — to do something better than one ever did before or thought one could do
- outdoorswoman — a woman devoted to outdoor sports and recreational activities.
- outdoorswomen — Plural form of outdoorswoman.
- outgeneraling — Present participle of outgeneral.
- outgeneralled — Simple past tense and past participle of outgeneral.
- outmaneuvered — Simple past tense and past participle of outmaneuver.
- outmanipulate — to surpass in manipulation
- outmanoeuvred — Simple past tense and past participle of outmanoeuvre.