13-letter words containing o, r, t, h, s, i
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housing start — an instance of beginning the construction of a dwelling.
- how's tricks? — how are you?
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- hybridisation — Alternative form of hybridization.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulphite — hyposulfite (def 1).
- hypercautious — Especially or unreasonably cautious.
- hypertrophies — Plural form of hypertrophy.
- hypochlorites — Plural form of hypochlorite.
- hyposecretion — a diminished secretion.
- hypsometrical — Of or pertaining to hypsometry.
- hysterotomies — Plural form of hysterotomy.
- hystricomorph — any rodent of the suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas
- ichthyosaurus — ichthyosaur.
- inspectorship — The condition of being an inspector; the office of an inspector.
- iontophoresis — a painless alternative to drug injection in which a weak electrical current is used to stimulate drug-carrying ions to pass through intact skin.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isodrosotherm — a line on a weather map or chart connecting points having an equal dew point.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- johore strait — a narrow strait between Malaya and Singapore Island
- joint honours — an honours university degree in which a student studies two separate subjects, as opposed to a single subject
- joseph lister — Joseph, 1st Baron Lister of Lyme Regis [lahym ree-jis] /laɪm ˈri dʒɪs/ (Show IPA), 1827–1912, English surgeon: founder of modern antiseptic surgery.
- joseph ritter — Joseph Elmer, 1891–1967, U.S. cardinal.
- kentish glory — a moth, Endromis versicolora, common in north and central Europe, having brown variegated front wings and, in the male, orange hindwings
- liberty horse — (in a circus) a riderless horse that performs movements to verbal commands
- lipodystrophy — A disorder characterized by abnormal or degenerative conditions of the body's adipose tissue.
- lissotrichous — having straight hair.
- lithotripters — Plural form of lithotripter.
- lithotriptist — a person skilled in breaking and removing stones from the bladder
- lobster shift — Also called lobster trick. dogwatch (def 2).
- lophotrichous — (biology, of bacteria) Having multiple flagella located at the same point, so that they can act in concert to drive the bacterium in a single direction.
- marsh trefoil — buck bean.
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- mastigophoric — Carrying or wielding a whip.
- metachromasia — A characteristic change in the colour of staining carried out in biological tissues, exhibited by certain aniline dyes when they bind to particular substances present in these tissues, called chromotropes.
- metamorphosis — Biology. a profound change in form from one stage to the next in the life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly. Compare complete metamorphosis.
- microhabitats — Plural form of microhabitat.
- microswitches — Plural form of microswitch.
- minstrel show — a once popular type of stage show featuring comic dialogue, song, and dance in highly conventionalized patterns, performed by a troupe of actors traditionally comprising two end men, a chorus in blackface, and an interlocutor. Developed in the U.S. in the 19th century, this entertainment portrayed negative racial stereotypes and declined in popularity in the 20th century.
- misanthropist — a hater of humankind.
- moderatorship — The position or office of a moderator.
- monmouthshire — a historic county in E Wales, now part of Gwent, Mid Glamorgan, and South Glamorgan.
- monostrophics — monostrophic verses
- monotherapies — Plural form of monotherapy.