12-letter words containing y, s, a
- haberdashery — a haberdasher's shop.
- hadley chest — a style of chest made c1700 in Massachusetts or Connecticut, having front rails and panels carved in low relief with elaborate tulip and leaf patterns.
- haematolyses — Plural form of haematolysis.
- haematolysis — Haemolysis.
- hair stylist — a person who designs and arranges hair styles.
- hairstylists — Plural form of hairstylist.
- halcyon days — period regarded with nostalgia
- halls of ivy — an institution of higher learning; university or college; the academic world.
- handypersons — Plural form of handyperson.
- hansa yellow — a pigment derived from coal tar, characterized chiefly by its brilliant yellow color.
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- headmasterly — In a manner befitting a headmaster.
- headstrongly — In a headstrong manner.
- hearsay rule — the rule making hearsay evidence inadmissible.
- heavyweights — Plural form of heavyweight.
- hellaciously — In a hellacious manner.
- hells canyon — a canyon on the Snake River in S Idaho and along the Oregon border: 125 miles (210 km) long with a maximum depth of about 7900 feet (2408 meters).
- hemihydrates — Plural form of hemihydrate.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- here to stay — If you say that something is here to stay, you mean that people have accepted it and it has become a part of everyday life.
- hernioplasty — an operation for the repair of a hernia.
- hesitatingly — In a hesitating manner.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heteroplasty — the repair of lesions with tissue from another individual or species.
- hexahydrates — Plural form of hexahydrate.
- hexasyllable — a word or line of verse of six syllables.
- hidrocystoma — An adenoma of the sweat glands.
- histiocytoma — A tumour consisting of histiocytes.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- holistically — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- homosexually — In a homosexual way.
- horseplayers — Plural form of horseplayer.
- hundred days — the period from March 20 to June 28, 1815, between the arrival of Napoleon in Paris, after his escape from Elba, and his abdication after the battle of Waterloo.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hybrid basis — A hybrid basis is a system of accounting that combines some of the features of cost basis with some of the features of accrual basis.
- hydrargyrism — mercurialism.
- hydrastinine — a white, crystalline, poisonous alkaloid, C 11 H 13 NO 3 , synthesized from hydrastine: used to arrest bleeding, especially in the uterus.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolysates — Plural form of hydrolysate.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.