12-letter words containing a, t, h
- all the same — nevertheless; yet
- all the time — If something happens or is done all the time, it happens or is done continually.
- all together — in chorus, in unison
- allelopathic — relating to or characterized by allelopathy
- almightiness — The state or quality of being almighty.
- alpha boötis — Arcturus
- alpha rhythm — the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph
- alphabetical — Alphabetical means arranged according to the normal order of the letters in the alphabet.
- alphabetised — (British) Arranged in alphabetical order.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetized — (North America) Arranged in alphabetical order.
- alphabetizer — to put or arrange in alphabetical order.
- alphabetizes — Third-person singular simple present indicative form of alphabetize.
- alphitomancy — the use of barley meal as a means of divination.
- amateurishly — In an amateurish or nonprofessional manner.
- amenhotep iv — died 1357? b.c, king of Egypt 1375?–1357?: reformer of ancient Egyptian religion (son of Amenhotep III).
- amethopterin — (now rare) Methotrexate.
- aminomethane — (organic compound, often in combination) methylamine (or a derivative of it).
- among others — used to indicate that there are several more people like the one or ones mentioned, but that you do not intend to mention them all
- amphetamines — Plural form of amphetamine.
- amphiblastic — (of animal ova) showing complete but unequal cleavage after fertilization
- amphibolitic — Of, pertaining to, or composed of an amphibolite.
- amphictyonic — of or relating to an amphictyon or an amphictyony.
- amphidentate — (of a ligand) able to coordinate through either of two different atoms, as in CN–
- amphistomous — (of certain animals, such as leeches) having a sucker at either end of the body
- 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.
- amphithecium — the outer layer of cells of the sporophyte of mosses and liverworts that develops into the outer parts of the spore-bearing capsule
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- anacatharsis — severe vomiting
- anacathartic — causing anacatharsis
- anachronists — Plural form of anachronist.
- anacolouthon — Alternative spelling of anacoluthon (A break in sequence, that occurs when the scheme of a sentence is changed in its course. Incoherence in a sentence.).
- anaesthetics — the science, study, and practice of anaesthesia and its application
- anaesthetise — anesthetize.
- anaesthetist — An anaesthetist is a doctor who specializes in giving anaesthetics to patients.
- anaesthetize — When a doctor or other trained person anaesthetizes a patient, they make the patient unconscious or unable to feel pain by giving them an anaesthetic.
- analog watch — a watch that represents time by the position of hands on a dial.
- analphabetic — not in alphabetical order
- anaphylactic — exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
- anathematise — Alternative spelling of anathematize.
- anathematism — A formula of words used to cast anathema upon heretics etc.
- anathematize — to pronounce an anathema (upon a person, etc); curse
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchor plant — a South American shrub, Colletia cruciata, of the buckthorn family, having flattened green branches and yellowish-white flowers.
- anchor watch — a deck watch maintained by the crew of a ship at anchor.
- anchoritical — in the manner of or resembling an anchorite
- and all that — You use and all that or and that to refer generally to everything else which is associated with what you have just mentioned.
- and so forth — and so on; and other such things; et cetera