12-letter words containing h, o, t, p
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.
- hellespontus — an area in the southern hemisphere of Mars.
- hello packet — (networking, communications) An OSPF packet sent periodically on each network interface, real or virtual, to discover and test connections to neighbours. Hello packets are multicast on physical networks capable of multicasting or broadcasting to enable dynamic router discovery. They include the parameters that routers connected to a common network must agree on. Hello packets increase network resilience by, e.g., allowing a router to establish a secondary connection when a primary connection fails.
- help on with — If you help someone on with an item of clothing, you help them put it on.
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- hematophobia — Fear of bleeding or the sight of blood.
- hemimorphite — a hydrous zinc silicate mineral, Zn 4 (OH) 2 Si 2 O 7 ⋅H 2 O, occurring in clear, colorless orthorhombic crystals; calamine: an ore of zinc.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatization — the transformation of tissue into a liver-like substance, esp of the lungs in pneumonia
- hepatogenous — originating in the liver
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- hepatotoxins — Plural form of hepatotoxin.
- hepatoxicity — Toxicity that affects the liver.
- heptahedrons — Plural form of heptahedron.
- hernioplasty — an operation for the repair of a hernia.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- herpetologic — Alternative form of herpetological.
- heteroduplex — having polynucleotide strands derived from two different sources
- heterography — spelling different from that in current use.
- heteroleptic — (chemistry) Describing an organometallic compound having two or more types of ligand.
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.
- heterophilic — Also, heterophilic. Immunology. (of an antibody) having an affinity for an antigen other than its specific antigen.
- heterophobia — Fear or resentment of what is different.
- heterophonic — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- heterophoria — a latent strabismus of one or both eyes.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heteroploidy — (genetics) The state of being heteroploid.
- heteropteran — A bug of the group Heteroptera.
- heterosphere — The upper part of the atmosphere, above about sixty miles, in which there is great variation in its composition.
- heterotopias — Plural form of heterotopia.
- heterotrophs — Biology. an organism requiring organic compounds for its principal source of food.
- heterotrophy — The state of being a heterotroph.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high concept — a simple and often striking idea or premise, as of a story or film, that lends itself to easy promotion and marketing.
- high-protein — (of a food) rich in proteins
- hippocentaur — Centaur.
- hippophagist — a person who eats horseflesh.
- hippopotamic — like, of, or relating to a hippopotamus
- hippopotamus — a large herbivorous mammal, Hippopotamus amphibius, having a thick hairless body, short legs, and a large head and muzzle, found in and near the rivers, lakes, etc., of Africa, and able to remain under water for a considerable time.
- histographic — a treatise on or description of organic tissues.
- hit the spot — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
- hiv positive — (of a person) diagnosed by a test as being infected with HIV.
- hiv-positive — (of a person) diagnosed by a test as being infected with HIV.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holoplankton — plankton that spend their entire life cycle as free-swimming organisms (opposed to hemiplankton).
- holopneustic — having all the spiracles open, as the tracheal systems of most insects.
- holy picture — a picture of a person or thing that is of religious importance