12-letter words containing t, h, y, o
- geothermally — By geothermal means, especially by means of geothermal energy.
- gigantomachy — (in Greek mythology) the struggle between the gods and the giants.
- 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.
- goldsmithery — the occupation of a goldsmith
- graph theory — the branch of mathematics dealing with linear graphs.
- group theory — the branch of mathematics that deals with the structure of mathematical groups and mappings between them.
- gymnosophist — one of a group of Jainist philosophers, existing from ancient times to c1000, characterized by refusal to wear clothes and the abandonment of caste marks; a member of the Digambara sect.
- gynantherous — having the stamens converted into pistils by the action of frost, disease, or insects.
- 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
- half-monthly — pertaining to a month, or to each month.
- hamartiology — the doctrine of sin in Christian theology
- hangtown fry — a type of omelet to which fried oysters, bacon, and sometimes onions are added.
- have pity on — to have sympathy or show mercy for
- headstrongly — In a headstrong manner.
- heavy-footed — clumsy or ponderous, as in movement or expressiveness: music that is heavy-footed and uninspired.
- hectocotylus — a modified arm of the male of certain cephalopods that is used to transfer sperm to the female.
- heliotherapy — treatment of disease by means of sunlight.
- hemimetaboly — Hemimetabolism.
- hemotoxicity — Toxicity that affects the blood (especially that affects red blood cells).
- 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.
- hepatoxicity — Toxicity that affects the liver.
- 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.
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heterochrony — a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- heterocyclic — of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterodyning — Present participle of heterodyne.
- heterogamety — the condition or state of being heterogametic
- heterography — spelling different from that in current use.
- heterogynous — having females of two different kinds, one sexual and the other abortive or neuter, as ants.
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.
- heteronymous — of, relating to, or characteristic of a heteronym.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heteroploidy — (genetics) The state of being heteroploid.
- heterostyled — (of a plant) having styles of different forms or lengths in the flowers.
- heterothally — the condition of being heterothallic
- heterothermy — The possession of characteristics of both poikilothermy and homeothermy.
- heterotrophy — The state of being a heterotroph.
- heterozygote — a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
- heterozygous — having dissimilar pairs of genes for any hereditary characteristic.
- hidrocystoma — An adenoma of the sweat glands.
- high country — a mountainous area below the timberline; a forested mountain area.
- high society — society (def 9).