13-letter words containing a, c, n, t, h, o
- nut chocolate — chocolate containing nuts
- octagon house — a type of American house, c. 1850, having an octagonal perimeter to reduce exterior wall area.
- off the chain — wildly entertaining
- on the carpet — a heavy fabric, commonly of wool or nylon, for covering floors.
- on the chance — acting on the possibility; in case
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- oprahfication — the perceived increase in people’s desire to discuss their emotions or personal problems, attributed to the influence of confessional television programmes
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- ornithischian — any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare saurischian.
- ornithomantic — relating to ornithomancy
- parthenocarpy — the production of fruit without fertilization of an egg in the ovary.
- pathogenicity — the disease-producing capacity of a pathogen.
- pathognomonic — Medicine/Medical. characteristic or diagnostic of a specific disease: a pathognomonic sign of pneumonia.
- pentastichous — (of plant leaves) arranged in five vertical rows
- perchlorinate — to combine with the maximum proportion of chlorine.
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phantom stock — an employee bonus expressed as the cash value of a specified amount of company stock to be received at a future date, meant to create employee interest in raising stock prices without giving any stock away.
- pharyngectomy — excision of part or all of the pharynx.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonocamptics — the branch of acoustics dealing with echoes
- photodynamics — the science dealing with light and its effects on living organisms.
- photoreaction — a chemical reaction that involves or requires light.
- piano teacher — tutor of piano-playing
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- polytechnical — relating to a technical school
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- post exchange — a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. Abbreviation: PX.
- presto chango — change at once (usually used imperatively, as in a magician's command).
- promonarchist — the principles of monarchy.
- psilanthropic — relating to psilanthropism
- psychoanalyst — a person trained to practice psychoanalysis.
- pyrotechnical — of or relating to pyrotechnics.
- rann of kutch — an extensive salt waste in W central India, and S Pakistan: consists of the Great Rann in the north and the Little Rann in the southeast; seasonal alternation between marsh and desert; some saltworks. In 1968 an international tribunal awarded about 10 per cent of the border area to Pakistan. Area: 23 000 sq km (9000 sq miles)
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- retail anchor — A retail anchor is a popular store whose name will attract customers to a shopping mall.
- scotch plains — a township in NE New Jersey.
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- sex chromatin — Barr body.
- shadowcasting — the enhancement of images by the casting of shadows
- shaft encoder — A shaft encoder is a sensor for measuring how fast a shaft rotates.
- share account — a savings account in a credit union.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- shopping cart — a four-wheeled cart provided by a supermarket or other retail store for a customer's use in collecting purchases.
- short account — the account of a short seller.
- slash fiction — a type or piece of fan fiction involving usually same-sex romantic relationships between fictional characters or famous people, whether or not the romances actually exist: Sherlock Holmes/Dr. Watson slash fiction. Also called slash.
- south african — of southern Africa.
- southern cane — a stick or short staff used to assist one in walking; walking stick.