12-letter words containing y, a, l, o
- glassy alloy — a metal alloy having a noncrystalline, glasslike structure.
- glossarially — In the manner of a glossary.
- glossography — a glossator.
- glossy snake — a nocturnal burrowing snake, Arizona elegans, of the western U.S. and northern Mexico, having smooth, glistening scales of tan with brown blotches.
- glycosidases — Plural form of glycosidase.
- glycosylated — Simple past tense and past participle of glycosylate.
- glyphography — a plate-making process in which an electrotype is made from an engraved copper plate
- glyptography — the description or study of engraved gems or other stones.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- golden years — the years that follow retirement from work
- gourd family — the plant family Cucurbitaceae, characterized by tendril-bearing vines, either trailing or climbing and having alternate, palmately lobed leaves, often large yellow or greenish flowers, and many-seeded, fleshy fruit with a hard rind, and including the cucumber, gourd, melon, pumpkin, and squash.
- grammatology — the scientific study of systems of writing.
- granulocytes — Plural form of granulocyte.
- granulocytic — Of, or pertaining to, granulocytes.
- gratuitously — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- gregariously — fond of the company of others; sociable.
- haematolyses — Plural form of haematolysis.
- haematolysis — Haemolysis.
- haematoxylin — Alternative spelling of hematoxylin.
- haematoxylon — any thorny leguminous tree of the genus Haematoxylon, esp the logwood, of tropical America and SW Africa. The heartwood yields the dye haematoxylin
- halcyon days — period regarded with nostalgia
- half holiday — a holiday limited to half a working day or half an academic day.
- half-holiday — a holiday limited to half a working day or half an academic day.
- half-monthly — pertaining to a month, or to each month.
- halls of ivy — an institution of higher learning; university or college; the academic world.
- hamartiology — the doctrine of sin in Christian theology
- hansa yellow — a pigment derived from coal tar, characterized chiefly by its brilliant yellow color.
- happy couple — two people in a happy romantic relationship, especially two people who have just married
- harmonically — pertaining to harmony, as distinguished from melody and rhythm.
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- headstrongly — In a headstrong manner.
- hebdomadally — taking place, coming together, or published once every seven days; weekly: hebdomadal meetings; hebdomadal groups; hebdomadal journals.
- heliotherapy — treatment of disease by means of sunlight.
- 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).
- hemimetaboly — Hemimetabolism.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodialyzer — artificial kidney.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- hernioplasty — an operation for the repair of a hernia.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heterothally — the condition of being heterothallic
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- holiday camp — In Britain, a holiday camp is a place which provides holiday accommodation and entertainment for large numbers of people.
- holiday home — a home that people own in order to holiday in and that is in a different location to the home they usually live in