13-letter words containing a, c, e, s, i, o
- nonspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- nonsystematic — Not systematic.
- nucleocapsids — Plural form of nucleocapsid.
- nucleoplasmic — Of or pertaining to nucleoplasm.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- occidentalism — Occidental character or characteristics.
- ocean springs — a town in SE Mississippi.
- ocean sunfish — a brown and gray mola, Mola mola, inhabiting tropical and temperate seas, having the posterior half of the body sharply truncated behind the elongated dorsal and anal fins.
- oceanic crust — the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb).
- octogenarians — Plural form of octogenarian.
- olympic games — international sports event
- open sandwich — a sandwich served on only one slice of bread, without a covering slice.
- optical mouse — (hardware) Any kind of mouse that uses visible light or infrared to detect changes in its position.
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- ordinal scale — a scale on which data is shown simply in order of magnitude since there is no standard of measurement of differences: for instance, a squash ladder is an ordinal scale since one can say only that one person is better than another, but not by how much
- organoarsenic — (organic chemistry) Describing any organic compound containing a carbon to arsenic bond.
- orsellic acid — an acid found in lichens
- orthosilicate — a silicate mineral
- ovariectomies — Plural form of ovariectomy.
- over-cautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- overachievers — Plural form of overachiever.
- overinsurance — (of goods or property) insurance in excess of actual value
- oversocialize — to make social; make fit for life in companionship with others.
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.
- palaeocrystic — consisting of former glacial formation
- paleo-asiatic — a member of any of various Mongoloid peoples of northeastern Asia.
- paris commune — commune3 (def 8).
- passive voice — grammar: verb form takes when subject acted upon
- pentastichous — (of plant leaves) arranged in five vertical rows
- pentatonicism — the use of a five-tone scale.
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- perscrutation — a very careful exploration or inspection
- personalistic — Also called personal idealism. a modern philosophical movement locating ultimate value and reality in persons, human or divine.
- perspicacious — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phelloplastic — an image or a representation that has been fashioned from cork
- phlogisticate — to integrate or blend phlogiston with
- pictorialness — the state of being pictorial
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- plastic money — credit cards, used instead of cash
- pneumogastric — of or relating to the lungs and stomach.
- porcelaineous — like porcelain
- post-actinide — transactinide
- prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.