13-letter words containing h, a, t, i
- iceman cometh — a play (1946) by Eugene O'Neill.
- ichthyofaunal — relating to ichthyofauna
- ichthyopsidan — a member of the class Ichthyopsida
- ichthyosaurus — ichthyosaur.
- idiochromatic — (of a mineral) deriving a characteristic color from its capacity to absorb certain light rays.
- immunity bath — the giving of testimony that is self-incriminating in order to avail oneself of the immunity granted a witness.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- impact wrench — an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- in a nutshell — the shell of a nut.
- in all things — In all things means in every situation and at all times.
- in good faith — accordance with standards of honesty, trust, sincerity, etc. (usually preceded by in): If you act in good faith, he'll have no reason to question your motives.
- in order that — used to introduce a clause of purpose
- in the act of — while committing: crime, transgression
- in the making — the act of a person or thing that makes: The making of a violin requires great skill.
- in the pay of — If you say that someone is in the pay of a certain person or group, you disapprove of the fact that they are being paid by and are working for that person or group, often secretly or illegally.
- in the saddle — a seat for a rider on the back of a horse or other animal.
- in the way of — similar to, like
- inexhaustible — not exhaustible; incapable of being depleted: an inexhaustible supply.
- inexhaustibly — not exhaustible; incapable of being depleted: an inexhaustible supply.
- infant school — In Britain, an infant school is a school for children between the ages of five and seven.
- inhabitancies — Plural form of inhabitancy.
- inhabitations — Plural form of inhabitation.
- inharmonicity — the quality of being inharmonic
- inhospitality — lack of hospitality; inhospitable attitude toward or treatment of visitors, guests, etc.
- initial rhyme — beginning rhyme.
- interchanging — Present participle of interchange.
- interchondral — of or relating to cartilage or a cartilage.
- interwreathed — Simple past tense and past participle of interwreathe.
- into thin air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- intrathecally — In an intrathecal way; into the spinal canal.
- intrathoracic — (anatomy) Within the thorax.
- irish pennant — an unwhipped rope end.
- ishihara test — a test for determining color blindness by means of a series of cards each having colored dots that form one pattern to the normal eye and a different pattern to the eye that is color-blind.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- italian sixth — (in musical harmony) an augmented sixth chord, characterized by having a major third and an augmented sixth above the root
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- johore strait — a narrow strait between Malaya and Singapore Island
- joseph stalin — Joseph V (Iosif Vissarionovich Dzhugashvili or Dzugashvili) 1879–1953, Soviet political leader: secretary general of the Communist Party 1922–53; premier of the U.S.S.R. 1941–53.
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- kenyapithecus — a genus of fossil hominoids of middle Miocene age found in Kenya and having large molars, small incisors, and powerful chewing muscles.
- kilowatt-hour — a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr.
- kinaesthetics — Alternative spelling of kinesthetics.
- kinanesthesia — A disturbance of deep nerve sensitivity.
- kindheartedly — In a kindhearted manner.
- kinematograph — cinematograph.
- kinesipathist — someone who uses kinesipathy to treat diseases