12-letter words containing y, t, h
- henry tanner — Henry Ossawa [os-uh-wuh] /ˈɒs ə wə/ (Show IPA), 1859–1937, U.S. painter, in France after 1891.
- 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.
- heptahydrate — a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.
- 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.
- hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- heritability — capable of being inherited; inheritable; hereditary.
- hermetically — so as to be airtight: hermetically sealed.
- 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
- 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.
- hexadactylic — having six fingers or toes
- hexahydrates — Plural form of hexahydrate.
- hi-fi system — a complete system of high-quality sound-reproducing equipment
- hidrocystoma — An adenoma of the sweat glands.
- hieratically — In a hieratic way.
- high country — a mountainous area below the timberline; a forested mountain area.
- high density — floppy disk
- high society — society (def 9).
- high-ability — (of a student) having a higher than average ability
- high-density — having a high concentration: entering a high-density market with a new product; high-density lipoprotein.
- high-quality — adhering to an excellent standard of measure; of superior quality: Education depends on high-quality teachers and materials in our schools.
- highly rated — generally considered to be of high quality
- hill country — hilly area
- histiocytoma — A tumour consisting of histiocytes.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- historiology — (obsolete) a discourse on history.
- hit pay dirt — to discover a source of wealth, success, etc.
- hoary marmot — a large marmot, Marmota caligata, living in mountainous areas of Siberia and northwestern North America and having a heavy, yellow-gray body, short black limbs, and black and white head and shoulders.
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- hockey stick — the stick used in field hockey or ice hockey.