12-letter words containing s, e, x
- nuisance tax — a tax paid in small but frequent amounts, usually by consumers.
- opposite sex — man if woman, woman if man
- oropharynxes — Plural form of oropharynx.
- over-anxious — excessively anxious.
- over-indexes — (in a nonfiction book, monograph, etc.) a more or less detailed alphabetical listing of names, places, and topics along with the numbers of the pages on which they are mentioned or discussed, usually included in or constituting the back matter.
- overexercise — to exercise excessively
- overexposure — excessive exposure, especially of photographic film or a sensitized plate to light rays.
- oxycellulose — any substance formed naturally or synthetically by the oxidation of cellulose.
- pansexualism — the belief that a sexual instinct drives all human behaviour
- pansexualist — someone who is pansexual
- pansexuality — Psychiatry. pertaining to the theory that all human behavior is based on sexuality.
- perplexities — the state of being perplexed; confusion; uncertainty.
- polysiloxane — a polymer composed of silicon and oxygen atoms
- pony express — a former system in the American West of carrying mail and express by relays of riders mounted on ponies, especially the system operating (1860–61) between St. Joseph, Missouri, and Sacramento, California.
- postexercise — bodily or mental exertion, especially for the sake of training or improvement of health: Walking is good exercise.
- postexposure — occurring after a photo or image has been taken
- praxinoscope — a toy in which a sequence of images, depicted on the inner surface of a cylinder and reflected in a series of mirrors, gives the illusion of motion as the cylinder rotates
- pre-existing — to exist beforehand.
- prices index — an official list of the price of goods
- protosynthex — A query system for English text.
- proximities' — nearness in place, time, order, occurrence, or relation.
- proxy server — (software, security) (Capitalised) Microsoft's proxy server and proxy gateway, designed to provide extensible firewall and network security. Proxy Server is part of BackOffice.
- psychosexual — of or relating to the relationship of psychological and sexual phenomena.
- punxsutawney — a town in central Pennsylvania: Groundhog Day celebration.
- purchase tax — a sales tax on nonessential and luxury goods.
- quadruplexes — Plural form of quadruplex.
- sandbox tree — a tropical American tree, Hura crepitans, of the spurge family, bearing a furrowed, roundish fruit about the size of an orange that when ripe and dry bursts with a sharp report and scatters the seeds.
- self-excited — noting a generator with magnets that are excited by the current it produces.
- semiflexible — moderately or somewhat flexible.
- serotaxonomy — the study of the taxonomy of proteins using serological methods
- sex offender — a person who has been found guilty of one or more sex crimes.
- sex-positive — explicitly stated, stipulated, or expressed: a positive acceptance of the agreement.
- sexagenarian — of the age of 60 years or between 60 and 70 years old.
- sexcentenary — pertaining to 600 or a period of 600 years; marking the completion of 600 years.
- sexdecillion — a cardinal number represented in the U.S. by 1 followed by 51 zeros, and in Great Britain by 1 followed by 96 zeros.
- sextuplicate — a group, series, or set of six identical copies: The application is to be submitted in sextuplicate.
- sexual abuse — indecent assault
- sexual spore — a spore formed after the fusion of gametes and an asexual spore is the result of asexual reproduction
- six counties — the historic counties of Northern Ireland, which no longer have a local government function
- six-cylinder — having six chambers in a reciprocating internal-combustion engine, pump, or compressor within which the pistons move
- six-year-old — being six years in age
- sixteenpenny — noting a nail 3½ inches (9 cm) long. Symbol: 16d.
- sixth former — student: 16-18
- sixth-grader — a pupil in their sixth US school year after kindergarten, who is usually around 11 or 12 years old
- sixty-eighth — next after the sixty-seventh; being the ordinal number for 68.
- sixty-second — next after the sixty-first; being the ordinal number for 62.
- skelic index — the ratio of the length of the leg to the length of the torso of a person, multiplied by 100.
- solar plexus — Also called celiac plexus. Anatomy. a network of nerves situated at the upper part of the abdomen, behind the stomach and in front of the aorta.
- sulphadoxine — an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, and in combination with various drugs to treat certain infections
- super-exceed — to go beyond in quantity, degree, rate, etc.: to exceed the speed limit.