12-letter words containing a, c, m, e
- normokalemic — Having a normal percentage of potassium in one's blood.
- nuclear bomb — atomic explosive
- nychthemeral — relating to a nychthemeron or to the changes or differences, specifically those relating to day and night, that occur within this span
- oleandomycin — a macrolide antibiotic used to treat skin infections
- olfactometer — a device for estimating the keenness of the sense of smell.
- olfactometry — The study and measurement of smells.
- omnidistance — the distance between an omnirange station and a receiver.
- on the march — If a group of soldiers are on the march, they are marching somewhere.
- onomatopoeic — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- orange march — a parade on Orangemen's day
- organic mode — (programming) A term used by COCOMO to describe a project that is developed in a familiar, stable environment. The product is similar to previously developed products. Most people connected with the project have extensive experience in working with related systems and have a thorough understanding of the project. The project contains a minimum of innovative data processing architectures or algorithms. The product requires little innovation and is relatively small, rarely greater than 50,000 DSIs.
- ormond beach — a town in NE Florida.
- osteomalacia — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteomalacic — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteosarcoma — a malignant tumor of the bone.
- outplacement — counseling and assistance in finding a new job, provided by a company for an employee who has been or is about to be dismissed.
- overcramming — excessive cramming
- overdramatic — of or relating to the drama.
- overemphatic — excessive or undue emphasis.
- overmedicate — to treat with medicine or medicaments.
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- pacific time — the civil time officially adopted for a country or region, usually the civil time of some specific meridian lying within the region. The standard time zones in the U.S. (Atlantic time, Eastern time, Central time, Mountain time, Pacific time, Yukon time, Alaska-Hawaii time, and Bering time) use the civil times of the 60th, 75th, 90th, 105th, 120th, 135th, 150th, and 165th meridians respectively, the difference of time between one zone and the next being exactly one hour.
- paedomorphic — showing signs of paedomorphism
- paleoclimate — the climate of some former period of geologic time.
- palimpsestic — a parchment or the like from which writing has been partially or completely erased to make room for another text.
- palm cabbage — cabbage palm.
- pan-american — of, relating to, or representing all the countries or people of North, Central, and South America.
- panchen lama — Tashi Lama.
- panspermatic — relating to panspermia
- papier-mache — a substance made of pulped paper or paper pulp mixed with glue and other materials or of layers of paper glued and pressed together, molded when moist to form various articles, and becoming hard and strong when dry.
- para-medical — related to the medical profession in a secondary or supplementary capacity.
- paramagnetic — a body or substance that, placed in a magnetic field, possesses magnetization in direct proportion to the field strength; a substance in which the magnetic moments of the atoms are not aligned.
- parchmentize — to treat (paper or the like) so that it resembles parchment.
- pastry cream — a creamy custard, often flavoured, used as a filling for éclairs, flans, etc
- patellectomy — the surgical removal of the patella
- payback time — Payback time is when someone has to take the consequences of what they have done in the past. You can use this expression to talk about good or bad consequences.
- payment card — A payment card is a plastic card which you use like a credit card, but which takes the money directly from your bank account.
- peacock worm — feather-duster worm.
- pelecaniform — of, or having the nature of, an order (Pelecaniformes) of swimming birds having all four toes connected in a webbed foot, including pelicans and cormorants
- perfect game — a baseball game in which the same player pitches throughout the full game without allowing any player of the opposing team to reach first base by a base hit, base on balls, error, or any other means. Compare no-hitter.
- perfect ream — a standard quantity of paper, consisting of 20 quires or 500 sheets (formerly 480 sheets), or 516 sheets (printer's ream or perfect ream)
- 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
- permaculture — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- phanerogamic — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).
- 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.