11-letter words containing e, s, p, r, i
- retinispora — any member of the genus Retinispora, of conifers which grow in the east of Asia and in the east and west of North America
- retinoscope — an apparatus that determines the refractive power of the eye by observing the lights and shadows on the pupil when a mirror illumines the retina; skiascope.
- retinoscopy — an objective method of determining the refractive error of an eye.
- rh positive — See under Rh factor.
- rh-positive — See under Rh factor.
- rheotropism — the effect of a current of water upon the direction of plant growth.
- rhizosphere — the area of soil that surrounds the roots of a plant and is altered by the plant's root growth, nutrients, respiration, etc.
- riesz space — a topological space in which sets containing one point are closed.
- ripplegrass — English plantain.
- robespierre — Maximilien François Marie Isidore de [mak-see-mee-lyan frahn-swa ma-ree ee-zee-dawr duh] /mak si miˈlyɛ̃ frɑ̃ˈswa maˈri i ziˈdɔr də/ (Show IPA), 1758–94, French lawyer and revolutionary leader.
- rocket ship — a rocket-propelled aircraft or spacecraft.
- rompishness — the state or condition of being rompish
- rope stitch — (in embroidery) a stitch formed from the entwining of stitches.
- ruby spinel — a deep red, transparent variety of spinel, used as a gem.
- rupes altai — a mountain range in the fourth quadrant of the face of the moon: about 315 miles (507 km) long.
- safe period — an interval of the menstrual cycle when fertilization is considered to be least likely, usually a number of days prior and subsequent to the onset of menstruation.
- saline drip — the usually intravenous drop-by-drop administration of an isotonic solution of sodium chloride in distilled water
- saprolegnia — a variety of fungus
- sapropelite — a foul-smelling mud
- scapigerous — having a scape or leafless stalk
- scatter pin — a woman's small ornamental pin, usually worn with other similar pins on a dress, suit jacket, etc.
- scorpaenoid — resembling or related to the family Scorpaenidae.
- scrappiness — made up of scraps or of odds and ends; fragmentary; disconnected.
- scrip issue — an issue of free shares distributed pro rata to existing stockholders instead of a dividend.
- scripholder — a person who owns a scrip or scrips
- scripophile — a person who practices scripophily.
- seed shrimp — ostracod
- seismograph — any of various instruments for measuring and recording the vibrations of earthquakes.
- self-praise — the act of expressing approval or admiration; commendation; laudation.
- self-profit — Often, profits. pecuniary gain resulting from the employment of capital in any transaction. Compare gross profit, net profit. the ratio of such pecuniary gain to the amount of capital invested. returns, proceeds, or revenue, as from property or investments.
- semi-sphere — shaped like half a sphere; hemispheric.
- semipopular — relatively popular; quite popular
- semiprivate — having some degree of privacy but not fully private, as a hospital room with fewer beds than a ward.
- semispheric — shaped like half a sphere; hemispheric.
- sempervivum — any of various succulent plants belonging to the genus Sempervivum, of the stonecrop family, having leaves in dense basal rosettes and a compact, flat-topped cluster of flowers, and including the houseleek, S. tectorum, and other commonly cultivated species.
- sempiternal — everlasting; eternal.
- sempiternum — a type of durable woollen fabric popular in the 17th century
- sempstering — the profession of being a tailor
- senatorship — the office or position of a senator
- senior prom — a formal dance or gathering of high school students held at the end of the senior year
- septembrist — a person who instigated or took part in the September Massacre.
- septemviral — of or relating to septemvirs or a septemvirate.
- septenarius — a verse consisting of seven feet, usually printed in two lines: used especially in Latin poems.
- septentrion — Obsolete. the north.
- septiferous — in possession of a septum or partition
- septifragal — (of a capsule) dehiscing by breaking away from the partitions but remaining attached to the common axis; dehiscing at the valves or backs of the carpels but leaving the septa intact.
- serendipity — an aptitude for making desirable discoveries by accident.
- serial port — A serial port on a computer is a place where you can connect the computer to a device such as a modem or a mouse.
- serigrapher — someone who engages in serigraphy
- serigraphic — of or pertaining to serigraphy