16-letter words containing t, i
- as is one's wont — If someone does a particular thing as is their wont, they do that thing often or regularly.
- as likely as not — very probably
- as right as rain — If you say that someone is as right as rain, you mean that they are completely well or healthy again, for example when they have recovered from an illness or a shock.
- ascending rhythm — rising rhythm.
- ascidian tadpole — the free-swimming larva of an ascidian, having a tadpole-like tail containing the notochord and nerve cord
- asiatic elephant — Indian elephant. See under elephant.
- assembly routine — assembler (def 2a).
- assimilationists — Plural form of assimilationist.
- assistant editor — a person who assists an editor in their work
- assistant priest — a person who assists a priest in their work or who is not yet fully qualified as a priest
- assisted passage — a scheme whereby a government encourages people to emigrate or return home by agreeing to pay for their ticket
- assisted suicide — suicide committed with the assistance of a physician by a person terminally ill or in unmanageable pain
- associate degree — An associate degree is a college degree that is awarded to a student who has completed a two-year course of study.
- associate member — a person who is a member of a club, organization etc. but has only partial rights and privileges or subordinate status
- associated state — a nation with limited sovereignty, especially a former colony that now assumes responsibility for domestic affairs but continues to depend on the colonial ruler for defense and foreign policy.
- association area — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
- associationistic — Of or pertaining to associationism.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- asymptomatically — showing no evidence of disease.
- at bayonet point — done while having a bayonet pointed at one
- at liberty to do — If someone is at liberty to do something, they have been given permission to do it.
- at one's leisure — when one has free time
- at the same time — If two or more things exist, happen, or are true at the same time, they exist, happen, or are true together although they seem to contradict each other.
- at-risk register — an official list of people or things considered to be exposed to possible threat, such as children in potentially abusive households or historic buildings in need of maintenance
- athanasian creed — a profession of faith widely used in the Western Church which, although formerly attributed to Athanasius, probably originated in Gaul between 381 and 428 ad
- atherothrombotic — (medicine) Pertaining to or caused by atherothrombosis, the sudden disruption of an atherosclerotic plaque.
- atlantic charter — the joint declaration issued by F. D. Roosevelt and Winston Churchill on Aug 14, 1941, consisting of eight principles to guide a postwar settlement
- atlantic croaker — a person or thing that croaks.
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atomic mass unit — a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66 × 10–27 kg
- atomic physicist — a scientist specializing in atomic physics
- atomic structure — the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
- atrioventricular — of, relating to, or affecting both the atria and the ventricles of the heart
- attitude of mind — Your attitude of mind is your general way of thinking and feeling.
- attitude problem — a frame of mind perceived by others to be hostile or uncooperative
- attorney-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attributive noun — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- atwood's machine — a device consisting of two unequal masses connected by a string passed over a pulley, used to illustrate the laws of motion.
- auction pinochle — a variety of pinochle for three to five players in which, for every hand, there are three active players, each dealt 15 cards, with the highest bidder winning the contract and playing against the other two active opponents.
- auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- aurora australis — the aurora seen around the South Pole
- australian crawl — a stroke in which the feet are kicked like paddles while the arms reach forward and pull back through the water
- australian rules — a game resembling rugby football, played in Australia between teams of 18 men each on an oval pitch, with a ball resembling a large rugby ball. Players attempt to kick the ball between posts (without crossbars) at either end of the pitch, scoring six points for a goal (between the two main posts) and one point for a behind (between either of two outer posts and the main posts). They may punch or kick the ball and run with it provided that they bounce it every ten yards
- australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
- austro-hungarian — of or relating to the Dual Monarchy of Austria-Hungary (1867–1918)
- authentification — The process of making, or establishing as, authentic.
- authoritarianism — Authoritarianism is the state of being authoritarian or the belief that people with power, especially the State, have the right to control other people's actions.
- authority figure — a person whose real or apparent authority over others inspires or demands obedience and emulation: Parents, teachers, and police officers are traditional authority figures for children.
- autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.