13-letter words containing t, a, x, i, o
- orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
- osa extension — (OSAX) Any extension to Macintosh OSA.
- overexcitable — Excessively excitable.
- oxymetazoline — a sympathomimetic drug, C 1 6 H 2 4 N 2 O, used as a topical, long-lasting nasal decongestant.
- pigouvian tax — a tax levied to counter an economic negative externality, for example taxing producers of industrial pollution in order to encourage pollution control
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- preexcitation — the act of exciting.
- reexamination — further study or inspection
- reflex-action — Physiology. noting or pertaining to an involuntary response to a stimulus, the nerve impulse from a receptor being transmitted inward to a nerve center that in turn transmits it outward to an effector.
- rotation axis — an imaginary line through a crystal about which the crystal may be rotated a specified number of degrees and be brought back to its original position.
- rotation-axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- sex addiction — an addiction to sexual activity
- sex chromatin — Barr body.
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- sexploitation — the exploitation of sex in films, magazines, etc.
- sexualization — to render sexual; endow with sexual characteristics.
- soixante-neuf — sixty-nine (def 4).
- spermatotoxic — spermotoxic.
- spermatotoxin — spermotoxin.
- stannic oxide — a white, amorphous, water-insoluble powder, SnO 2 , used chiefly in the manufacture of ceramic glazes and glass, and of polishing powders for metal, glass, and marble.
- storax family — the plant family Styracaceae, characterized by trees and shrubs having simple, alternate leaves, clusters of bell-shaped white flowers, and fleshy or dry fruit, and including the silver bell, snowbell, and storax.
- tax authority — the official body that administers and collects a country's taxes
- tax avoidance — Tax avoidance is the use of legal methods to pay the smallest possible amount of tax.
- tax deduction — an expenditure that is deducted from taxable income.
- tax exemption — immunity from paying tax
- tax inspector — a government official whose job is to make sure that people and companies are paying the right amount of tax
- taxonomically — the science or technique of classification.
- titanic oxide — a white, water-insoluble powder, TiO 2 , used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
- toxicophagous — poison-eating
- toxoplasmosis — infection with the parasite Toxoplasma gondii, transmitted to humans by consumption of insufficiently cooked meat containing the parasite or by contact with contaminated cats or their feces: the illness produced is usually mild, but in pregnant women may damage the fetus.
- tricarboxylic — pertaining to a molecule that contains three carboxyl groups.
- unexceptional — not exceptional; not unusual or extraordinary.
- victorian box — a tree, Pittosporum undulatum, of Australia, having shiny, wavy-margined, oblong leaves and fragrant clusters of yellowish flowers.
- visitor's tax — a tax that visitors to a place must pay
- visual cortex — the portion of the cerebral cortex of the brain that receives and processes impulses from the optic nerves.
- xanthochroism — a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear
- xerophthalmia — abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.
- xerophthalmic — Of or pertaining to xerophthalmia.
- xiphiplastron — the fourth lateral plate of a turtle's plastron