12-letter words containing t, a, x, i, o
- reannexation — the act or process of reannexing something
- thioxanthene — any of a class of antipsychotics, as thiothixene, used to relieve symptoms of severe psychiatric disorders.
- toxicophobia — an intense fear of poisoning
- toxocariasis — the infection of humans with the larvae of a genus of roundworms, Toxocara, of dogs and cats. It can cause swelling of the liver and, sometimes, damage to the eyes
- trophallaxis — (among social insects) the exchange of nutriments or other secretions between members of a colony.
- twin paradox — a phenomenon predicted by relativity. One of a pair of identical twins is supposed to live normally in an inertial system whilst the other is accelerated to a high speed in a spaceship, travels for a long time, and finally returns to rest beside his twin. The travelled twin will be found to be younger than his brother
- xanthochroia — a condition causing yellow patches on the skin similar to xanthoma
- xanthochroid — of, relating to, or designating races having light-coloured hair and a pale complexion
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- xenoreactive — (immunology) That generates a reaction to material from another species.