12-letter words containing e, x, i, s
- 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
- postexercise — bodily or mental exertion, especially for the sake of training or improvement of health: Walking is good exercise.
- 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
- proximities' — nearness in place, time, order, occurrence, or relation.
- self-excited — noting a generator with magnets that are excited by the current it produces.
- semiflexible — moderately or somewhat flexible.
- 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.
- 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.
- 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.
- 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
- supermaxilla — the upper jaw.
- tax increase — an increase in the amount of tax that people and companies are obliged to pay
- the fair sex — women collectively
- twenty-sixer — a liquor bottle of around 26 ounces (0.750 litre) capacity
- twenty-sixth — next after the twenty-fifth; being the ordinal number for 26.
- unexhaustive — exhausting a subject, topic, etc.; comprehensive; thorough: He published an exhaustive study of Greek vases.
- unexpressive — not expressive; lacking in expression of meaning, feeling, etc.: a bland and unexpressive person.
- unisexuality — of or relating to one sex only.
- vision mixer — the person who selects and manipulates the television signals from cameras, film, and other sources, to make the composite programme
- voix celeste — an organ stop having for each note two pipes tuned to slightly different pitches and producing a wavering, gentle tone.
- xiphisternum — The lowest part of the sternum; the xiphoid process.