11-letter words containing e, r, o, s, i
- rh-positive — See under Rh factor.
- rheotropism — the effect of a current of water upon the direction of plant growth.
- rhinestoned — adorned with rhinestones
- rhizosphere — the area of soil that surrounds the roots of a plant and is altered by the plant's root growth, nutrients, respiration, etc.
- rhomboideus — either of two back muscles that function to move the scapula.
- righteously — characterized by uprightness or morality: a righteous observance of the law.
- riot shield — Riot shields are pieces of equipment made of transparent plastic which are used by the police to protect themselves against angry crowds.
- river horse — a hippopotamus.
- robbinsdale — a city in SE Minnesota, near Minneapolis.
- 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.
- role strain — the stress or strain experienced by an individual when incompatible behavior, expectations, or obligations are associated with a single social role.
- rollicksome — rollicking; frolicsome.
- romanticise — to make romantic; invest with a romantic character: Many people romanticize the role of an editor.
- rompishness — the state or condition of being rompish
- rooibos tea — tea prepared from any of several species of Borbonia or Aspalanthus, believed to have tonic properties
- roosterfish — a large, edible fish, Nematistius pectoralis, inhabiting the warmer waters of the Pacific Ocean, having the first dorsal fin composed of brightly colored filamentous rays.
- roostertail — a full spray or cloud, as of water in the wake of a speeding boat or dust from a speeding car
- rope stitch — (in embroidery) a stitch formed from the entwining of stitches.
- rose acacia — a small tree, Robinia hispida, of the legume family, native to the southeastern U.S., having drooping clusters of large, dark rose-colored flowers.
- rose family — the plant family Rosaceae, characterized by trees, shrubs, and herbaceous plants having compound or simple leaves with stipules, flowers typically with five sepals and five petals, and fruit in a variety of forms, many of which are fleshy and edible, and including the almond, apple, apricot, blackberry, cherry, cinquefoil, hawthorn, peach, pear, plum, raspberry, rose, spirea, and strawberry.
- rose weevil — Fuller rose beetle.
- rose window — a circular window decorated with tracery symmetrical about the center.
- rose-tinted — excessively optimistic
- rousseauism — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- rousseauist — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- routineness — a customary or regular course of procedure.
- 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.
- sailboarder — windsurfer
- salinometer — an instrument for measuring the amount of salt in a solution.
- sanctioneer — a person who advocates the imposition of sanctions
- saprolegnia — a variety of fungus
- sapropelite — a foul-smelling mud
- satinflower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- scapigerous — having a scape or leafless stalk
- scarabaeoid — resembling a scarab.
- schorlomite — a mineral that is black in colour and belongs to the garnet group
- schrodinger — Erwin [er-vin] /ˈɛr vɪn/ (Show IPA), 1887–1961, German physicist: Nobel prize 1933.
- scissorlike — like scissors; moving, operating, or crossing in a manner suggesting the blades of scissors.
- scissorwise — in a movement or position which imitates scissors
- sclerotitis — scleritis.
- sclerotized — (especially of the cuticle of an arthropod) hardened by the presence of substances other than chitin, as by scleroproteins, waxes, or calcium salts.
- scorpaenoid — resembling or related to the family Scorpaenidae.
- screw joint — a type of joint that is fastened by means of screws
- scrimshoner — a person who makes scrimshaw
- scripholder — a person who owns a scrip or scrips
- scripophile — a person who practices scripophily.
- second-tier — not in the first rank
- secondarily — next after the first in order, place, time, etc.
- secretional — of or relating to secretion