13-letter words containing o, y, s, t
- galvanoplasty — electrotypy.
- galveston bay — an inlet of the Gulf of Mexico.
- gastrorrhaphy — The suture of a perforation of the stomach.
- geostationary — of or relating to a satellite traveling in an orbit 22,300 miles (35,900 km) above the earth's equator: at this altitude, the satellite's period of rotation, 24 hours, matches the earth's and the satellite always remains in the same spot over the earth: geostationary orbit.
- gesticulatory — Making a lot of gesticulations.
- giorgi system — a system of units based on the metre, kilogram, second, and ampere, in which the magnetic constant has the value 4π × 10–7 henries per metre. It was used as a basis for SI units
- glycopeptides — Plural form of glycopeptide.
- glycoproteins — Plural form of glycoprotein.
- glycosylation — (chemistry, biochemistry) The reaction of a saccharide with a hydroxy or amino functional group to form a glycoside; especially the reaction with a protein or lipid to form a glycoprotein or glycolipid.
- god's country — an area or region supposed to be favored by God, especially a naturally beautiful rural area.
- great society — the goal of the Democratic Party under the leadership of President Lyndon B. Johnson, chiefly to enact domestic programs to improve education, provide medical care for the aged, and eliminate poverty.
- grey-thompson — Tanni (Carys Davina) Baroness. born 1969, Welsh wheelchair athlete; won eleven gold medals for Britain in wheelchair racing in the Paralympic Games (1988–2004); a crossbench peer in the House of Lords since 2010
- grocery store — supermarket, food shop
- gross anatomy — the branch of anatomy that deals with structures that can be seen with the naked eye.
- gynaecologist — (UK, Canada, dated in US) A physician who specialises in diseases of the female reproductive system.
- gynaecomastia — abnormal overdevelopment of the breasts in a man
- gynecologists — Plural form of gynecologist.
- gyromagnetism — the condition or state of being gyromagnetic
- harry hotspur — the nickname of Sir Henry Percy
- hemocytoblast — a primordial cell capable of developing into any type of blood cell.
- heterocystous — containing or relating to heterocysts
- heterostrophy — the condition of being heterostrophic
- heterostylism — the condition of being heterostyled
- heterozygosis — the state of being a heterozygote.
- heterozygotes — a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
- hexadactylous — hexadactylic
- hieroglyphist — a person who studies hieroglyphics; hieroglyphologist.
- hippo zarytus — ancient name of Bizerte.
- histiocytosis — (medicine) An excess of histiocytes, associated with various rare diseases.
- histodialysis — histolysis.
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- homosexuality — sexual desire or behavior directed toward a person or persons of one's own sex.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- hospitability — The quality of being hospitable.
- 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.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulphite — hyposulfite (def 1).
- hymenopterans — Plural form of hymenopteran.
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- hypercautious — Especially or unreasonably cautious.
- hypertrophies — Plural form of hypertrophy.
- hypertrophous — relating to hypertrophy
- hypochlorites — Plural form of hypochlorite.
- hypophosphate — a salt or ester of hypophosphoric acid.
- hypophosphite — a salt of hypophosphorous acid, as sodium hypophosphite, NaH 2 PO 2 .