12-letter words containing r, h, e, a
- ampelography — the science concerned with the identification and classification of grapevines
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitheater — An amphitheater is a large open area surrounded by rows of seats sloping upward. Amphitheaters were built mainly in Greek and Roman times for the performance of plays.
- amphitheatre — An amphitheatre is a large open area surrounded by rows of seats sloping upwards. Amphitheatres were built mainly in Greek and Roman times for the performance of plays.
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- anamorphoses — Plural form of anamorphosis.
- anchorperson — the primary reporter on a news television broadcast
- anchovy pear — a Jamaican tree, Grias cauliflora, bearing edible fruits that taste like the mango: family Lecythidaceae
- anemochorous — (of a fruit, seed, or spore) adapted for dispersion by wind.
- anepigraphic — (of a coin, artifact, etc.) without a legend or inscription.
- angel's hair — Also called capelli d’angelo. Italian Cookery. a type of very thin pasta.
- anglo-french — of or relating to England and France
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anorthoclase — a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase.
- anotherguess — of a different type or kind; different
- antebrachial — Lb anatomy relating to the forearm.
- antebrachium — (anatomy) The forearm.
- 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.
- anthologiser — Alternative spelling of anthologizer.
- anthologizer — an anthologist; a creator of an anthology
- anthranilate — a salt present in anthranilic acid
- anthropogeny — the genesis or development of the human race, especially as a subject of scientific study.
- anti-strophe — the part of an ancient Greek choral ode answering a previous strophe, sung by the chorus when returning from left to right.
- antihydrogen — hydrogen in which the nucleus is an antiproton with an orbiting positron
- antihysteric — acting to counter hysteria
- antistrophes — Plural form of antistrophe.
- apeirophobia — The fear of infinity and/or of infinite things.
- apostrophise — to address by apostrophe.
- apostrophize — to address an apostrophe to
- apothecaries — Plural form of apothecary.
- apprehending — Present participle of apprehend.
- apprehension — Apprehension is a feeling of fear that something bad may happen.
- apprehensive — Someone who is apprehensive is afraid that something bad may happen.
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- approachment — (archaic) approach.
- arachnophobe — a person who is afraid of spiders
- araneomorphs — Plural form of araneomorph.
- arapaho peak — a mountain in N Colorado, in the Front Range of the Rocky Mountains W of Boulder. 13,506 feet (4119 meters).
- archaeologic — Pertaining to archaeology.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- archdeaconry — the office, rank, or duties of an archdeacon
- archdiocesan — Relating to an archdiocese.
- archdioceses — Plural form of archdiocese.
- 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.