12-letter words containing a, n, i, m, t, s
- neoplatonism — a philosophical system, originated in the 3rd century a.d. by Plotinus, founded chiefly on Platonic doctrine and Eastern mysticism, with later influences from Christianity. It holds that all existence consists of emanations from the One with whom the soul may be reunited.
- neotribalism — Ideology that humans have evolved to live in a tribal, as opposed to a modern society.
- nestorianism — one of a sect of followers of Nestorius who denied the hypostatic union and were represented as maintaining the existence of two distinct persons in Christ.
- nimbostratus — a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8000 feet (2440 meters).
- nitrosamines — Plural form of nitrosamine.
- noctambulism — somnambulism.
- noctambulist — somnambulism.
- nominalistic — (philosophy) Having a nominalist character.
- non-monastic — of or relating to monasteries: a monastic library.
- normalities' — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- numismatical — Alternative form of numismatic.
- numismatists — Plural form of numismatist.
- nuptial mass — a special mass said at a wedding.
- obscurantism — opposition to the increase and spread of knowledge.
- omnidistance — the distance between an omnirange station and a receiver.
- onomastician — the study of the origin, history, and use of proper names.
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- optimisation — Alternative spelling of optimization.
- oxidant smog — photochemical smog.
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panspermatic — relating to panspermia
- paragnathism — the condition or fact of having upper and lower jaws of equal length
- paronomastic — the use of a word in different senses or the use of words similar in sound to achieve a specific effect, as humor or a dual meaning; punning.
- phantasmatic — pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
- phantasmical — pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
- planetesimal — one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system.
- postliminary — of or relating to postliminy
- postmeridian — of or relating to the afternoon.
- postromantic — of or relating to the period after Romanticism
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- reassignment — something assigned, as a particular task or duty: She completed the assignment and went on to other jobs.
- reassumption — the act or process of reassuming something
- reestimation — judgment or opinion: In my estimation the boy is guilty.
- reinstalment — a further or new instalment
- roman strike — a striking mechanism of c1700, giving the equivalent in tones of Roman numerals, a bell of one pitch striking once for each number I, a bell of another pitch striking once for V, twice for X.
- rush matting — a floor covering made from rushes (plants of the genus Juncus)
- saint jerome — Saint (Eusebius Hieronymus) a.d. c340–420, Christian ascetic and Biblical scholar: chief preparer of the Vulgate version of the Bible.
- saint martha — a sister of Mary and Lazarus, who lived at Bethany and ministered to Jesus (Luke 10:38–42). Feast day: July 29 or June 4
- saint martin — Saint, died a.d. 655, Italian ecclesiastic: pope 649–655.
- saint moritz — a resort town in SE Switzerland: a popular center for winter sports. 6037 feet (1840 meters) high.
- saint thomas — Saint Thomas ("the Angelic Doctor") 1225?–74, Italian scholastic philosopher: a major theologian of the Roman Catholic Church.
- saint-mihiel — a town in NE France, on the Meuse River, NW of Nancy: captured by American forces 1918.
- salpingotomy — incision of a Fallopian tube.
- saltationism — any of several theories holding that the evolution of species proceeds in major steps by the abrupt transformation of an ancestral species into a descendant species of a different type, rather than by the gradual accumulation of small changes.
- samaritanism — an inhabitant of Samaria.
- sample point — a possible result of an experiment, represented as a point.
- sankt moritz — German name of St. Moritz.
- santa monica — a city in SW California, near Los Angeles, on Santa Monica Bay: resort.
- satin-smooth — pleasantly soft and smooth, like satin
- satyromaniac — a lascivious man; lecher.