9-letter words containing h, o, t
- hydathode — a specialized leaf structure through which water is exuded.
- hydration — any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 SO 4 , it is strongly held as water of constitution.
- hydrocast — a process in which water is collected at various depths in a device with bottles clamped together, providing data on differing water characteristics.
- hydrolant — an urgent warning of navigational dangers in the Atlantic Ocean, issued by the U.S. Navy Hydrographic Office.
- hydrolyte — a substance subjected to hydrolysis.
- hydronaut — a person trained to work in deep-sea vessels for research and rescue purposes.
- hydroptic — (formerly) edema.
- hydropult — a type of water pump or machine that expels water by means of hand power, as, for example, a fire extinguisher
- hydrostat — an electrical device for detecting the presence of water, as from overflow or leakage.
- hyetology — the branch of meteorology dealing with precipitation.
- hygristor — an electronic component the resistance of which varies with humidity
- hygrostat — an instrument for measuring and controlling humidity.
- hylobates — Plural form of hylobate.
- hylophyte — a plant that grows in woods
- hymnodist — the singing or the composition of hymns or sacred songs.
- hyolithid — any invertebrate of the extinct genus Hyolithes, most common in the Cambrian Period, having a limy, univalve shell, and thought to be related to the pteropods.
- hypnodiet — a diet involving the use of hypnosis to change one's attitude to food
- hypnotics — Plural form of hypnotic.
- hypnotise — to put in the hypnotic state.
- hypnotism — the science dealing with the induction of hypnosis.
- hypnotist — the science dealing with the induction of hypnosis.
- hypnotize — to put in the hypnotic state.
- hypnotoid — resembling or similar to hypnosis
- hypoblast — the endoderm.
- hypocaust — a hollow space or system of channels in the floor or walls of some ancient Roman buildings that provided a central heating system by receiving and distributing the heat from a furnace.
- hypocotyl — the part of a plant embryo directly below the cotyledons, forming a connection with the radicle.
- hypocrite — a person who feigns some desirable or publicly approved attitude, especially one whose private life, opinions, or statements belie his or her public statements.
- hyponasty — increased growth along the lower surface of a plant or plant part, causing it to bend upward.
- hypostoma — Hypostome.
- hypostome — any of several parts or organs of the mouth, as the labrum of a crustacean.
- hypostyle — having many columns carrying the roof or ceiling: a hypostyle hall.
- hypotaxis — dependent relation or construction, as of clauses; syntactic subordination.
- hypotheca — (microbiology, planktology) The lower or posterior half of the theca of a thecate protist such as a diatom or dinoflagellate.
- hypotonia — An abnormal loss of muscle tone.
- hypotonic — Physiology. (of tissue) having less than the normal tone.
- hypotonus — Hypotonia.
- hypotrich — any ciliate of the suborder Hypotricha, having cilia chiefly on the ventral surface.
- hysteroid — resembling hysteria.
- ichthyoid — Also, ichthyoidal. fishlike.
- idiopathy — a disease not preceded or occasioned by any known morbid condition.
- in theory — in principle
- ingrowths — Plural form of ingrowth.
- inhabitor — One who inhabits.
- inhalator — an apparatus designed to mix carbon dioxide and oxygen, especially for use in artificial respiration.
- inheritor — a person who inherits; heir.
- inhibitor — a person or thing that inhibits.
- inwrought — worked in or closely combined with something.
- ironsmith — a worker in iron; blacksmith.
- isanthous — having regular flowers.
- isobathic — having the same depth.