12-letter words containing h, a, t, r
- antechambers — Plural form of antechamber.
- anthelic arc — a rare halo occurring at the sun's elevation but in the opposite part of the sky.
- antherozooid — Alternative form of antherozoid.
- anthocarpous — resembling or pertaining to an anthocarp
- anthologiser — Alternative spelling of anthologizer.
- anthologizer — an anthologist; a creator of an anthology
- anthranilate — a salt present in anthranilic acid
- anthrophonic — Relating to anthrophony.
- anthropodicy — An attempt, or argument attempting, to justify the existence of humanity as good (contrast theodicy).
- anthropogeny — the genesis or development of the human race, especially as a subject of scientific study.
- anthropoglot — An animal with tongue similar to humans allowing human-like speech.
- anthropogony — the origin of the human species
- anthropoidal — Anthropoid.
- anthropology — Anthropology is the scientific study of people, society, and culture.
- anthroponomy — the science dealing with the laws regulating the development of the human organism in relation to other organisms and to environment.
- anthroponymy — the study of personal names.
- anthropotomy — the structure of the human body
- anti-british — opposed to anything characteristic of or relating to Britain
- anti-strophe — the part of an ancient Greek choral ode answering a previous strophe, sung by the chorus when returning from left to right.
- antibrachium — (anatomy) alternative spelling of antebrachium.
- antihydrogen — hydrogen in which the nucleus is an antiproton with an orbiting positron
- antihysteric — acting to counter hysteria
- antimonarchy — Opposing a monarchy.
- antiphrastic — relating to antiphrasis
- antirachitic — preventing or curing rickets
- antirrhinums — Plural form of antirrhinum.
- antistrophes — Plural form of antistrophe.
- antistrophic — Of or pertaining to an antistrophe.
- antistrophon — an argument that is retorted against an opponent
- antithrombin — a substance that counteracts the action of thrombin, preventing the formation of blood clots
- aortographic — relating to an aortography or aortography
- aphoristical — Alternative form of aphoristic.
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apostrophise — to address by apostrophe.
- apostrophize — to address an apostrophe to
- apothecaries — Plural form of apothecary.
- apparatchiks — a member of an apparat, especially in a Communist country.
- approachment — (archaic) approach.
- arba kanfoth — a rectangular piece of cloth with fringes at the four corners and a hole in the center for the head, worn under the clothes by Orthodox Jewish males.
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- archaization — Process of becoming or turning something more archaic.
- arched truss — a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.
- archegoniate — having archegonia
- archenterons — Plural form of archenteron.
- archeologist — archaeology.
- archeopteryx — A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.
- archetypally — the original pattern or model from which all things of the same kind are copied or on which they are based; a model or first form; prototype.
- archetypical — Archetypical means the same as archetypal.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).