12-letter words containing a, r, c, t, i, m
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- perimetrical — the border or outer boundary of a two-dimensional figure.
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- peristomatic — surrounding a leaf's stoma or stomata
- pharmaceutic — pertaining to pharmacy or pharmacists.
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- placentiform — shaped like a placenta, with a flat rounded form
- porismatical — porismatic
- postorgasmic — of or relating to the period after an orgasm
- postromantic — of or relating to the period after Romanticism
- practicalism — devotion to practical matters.
- pragmaticism — the pragmatist philosophy of C. S. Peirce, chiefly a theory of meaning: so called by him to distinguish it from the pragmatism of William James.
- pragmaticist — a follower of the doctrine of pragmatism
- premedicated — to treat with medicine or medicaments.
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- problematics — problems or difficulties in a particular situation or subject
- proclamation — something that is proclaimed; a public and official announcement.
- programmatic — of, relating to, consisting of, or resembling program music.
- promuscidate — shaped like a proboscis
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- protoplasmic — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- race meeting — A race meeting is an occasion when a series of horse races are held at the same place, often during a period of several days.
- racemization — the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
- rachiotomies — Plural form of rachiotomy.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramification — the act or process of ramifying.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- readmittance — the act or process of admitting someone or something again
- rhythmically — periodic, as motion, or a drumbeat.
- romantically — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- romanticized — interpreted according to romantic precepts
- sabermetrics — (used with a singular verb) the computerized measurement of baseball statistics.
- sarcomatosis — the condition in which a sarcoma has become disseminated throughout the body.
- satyromaniac — a lascivious man; lecher.
- scram switch — (jargon) (From the nuclear power industry) An emergency power-off switch (see Big Red Switch), especially one positioned to be easily hit by evacuating personnel. In general, this is *not* something you frob lightly; these often initiate expensive events (such as Halon dumps) and are installed in a dinosaur pen for use in case of electrical fire or in case some luckless field servoid should put 120 volts across himself while Easter egging. SCRAM stands for Safety Control Rod Ax Man. In the early days of nuclear power, boron moderator rods were raised and lowered on ropes. In the event of a runaway chain reaction, a man with an axe would chop the rope and drop the rods into the nuclear pile to stop the reaction. See also molly-guard, TMRC.
- sectarianism — sectarian spirit or tendencies; excessive devotion to a particular sect, especially in religion.
- section mark — section (def 16).
- semiabstract — of or relating to art or sculpture which is abstract but in which the subject can still be recognized
- semitropical — subtropical.
- smart cookie — intelligent or sharp-witted person
- special term — the sitting of a court for the trial of a special case.
- spermaphytic — able to produce seeds
- spermaticide — spermicide.
- spermatocide — spermicide.
- stalactiform — resembling or shaped like a stalactite.
- stercoranism — the belief that the consecrated Eucharistic elements, the bread and wine, are subject to decay and pass through the body like other ingested things