13-letter words containing o, a, r, s, m
- aristocratism — the principles of aristocrats
- armored scale — any of a family (Diaspididae) of scale insects characterized by a hard, waxy secretion that covers the body: many armored scales are serious pests of trees and shrubs
- assembly room — a room used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- astrodynamics — the study of the motion of natural and artificial bodies in space
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- attested form — a linguistic form that can be shown to be in use or in written records
- aum shinrikyo — a syncretistic Japanese cult combining elements of Buddhism, Hinduism, and Christianity, founded by Shoko Asahara in 1986; responsible for a number of murders and in particular a nerve-gas attack on the Tokyo underground in 1995
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- baby primrose — a tender primrose, Primula forbesii, native to China and Burma, having white, hairy leaves and rose- or lilac-colored flowers with a yellow center.
- balsam poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- balsamiferous — yielding or producing balsam
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- bass trombone — the lower-pitched of the two main types of trombone
- bildungsroman — a novel concerned with a person's formative years and development
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- board measure — a system of units for measuring wood based on the board foot. 1980 board feet equal one standard
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- bowman's root — an eastern U.S. plant, Gillenia trifoliata, of the rose family, having terminal clusters of white flowers.
- brainstorming — intensive discussion to solve problems or generate ideas
- brown mustard — black mustard. See under mustard (def 2).
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- camerapersons — Plural form of cameraperson.
- camphoraceous — similar to camphor
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- casement door — a door having glass panes throughout or nearly throughout its length.
- cash customer — a purchaser who pays cash rather than by check, credit card, or charge account.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- centrosomally — In a centrosomal way.
- ceremonialism — A fondness for ceremony, especially in religion; ritualism.
- ceremonialist — of, relating to, or characterized by ceremony; formal; ritual: a ceremonial occasion.
- ceruloplasmin — a protein responsible for copper detoxification, found in the blood
- chase mortise — a mortise having one inclined narrow side.
- cheiromantist — A chiromancer.
- chemosurgical — of or relating to chemosurgery
- chlamydospore — a thick-walled asexual spore of many fungi: capable of surviving adverse conditions
- cholesteremia — cholesterolemia.
- chondromatous — a benign cartilaginous tumor or growth.
- chrestomathic — (of teaching or learning) That has a practical use.
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- chromaticness — the attribute of colour that involves both hue and saturation
- chromatograms — Plural form of chromatogram.
- chromatolysis — the dissolution of stained material, such as chromatin in injured cells
- chromesthesia — (neurology, psychology) sound-to-color synaesthesia.
- chromosomally — With reference to chromosomes.
- ciceronianism — imitation of the style of Cicero, especially as practiced by some writers and orators during the Renaissance.
- cinema goers' — filmgoer.
- clamorousness — The state or quality of being clamorous.