Morbid or excessive secretion, as in catarrh.

See Hyper/sthesia.

Pertaining to or moving at a speed greatly in excess of the speed of sound, usually meaning greater than mach 5. All speeds in excess of the speed of sound are supersonic, but to be hypersonic requires even higher speed.

A mathematical space having more than three dimensions. It is a mathematical construct and is not intended to represent the structure of the common physical space in which matter exists.

A mathematical object existing in more than three dimensions, analogous to the sphere in that all points on the surface are equidistant from the central point; a generalization of a sphere in more than three dimensions.

An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster (schiller) on the cleavage surface.

Composed of, or containing, hypersthene.

abnormally high blood pressure; especially, the chronic condition associated with persistent high blood pressure.

A person who suffers from persistently high blood pressure.

abnormally high body temperature.

Exaggerated; excessive; hyperbolical.

That part of the architrave which is over a door or window.

An abnormality of the thyroid gland characterized by the pathologically excessive production of thyroid hormones; -- also, the resulting condition characterized by increased metabolism, weight loss, rapid heart rate, high blood pressure, an enlarged thyroid gland and sometimes exophthalmos. It leads to, and may be confirmed by, high plasma levels of triiodothyronine or thyroxin.

Having a higher osmotic pressure than a comparison solution; -- of an aqueous solution. Increasing the concentration of dissolved solids increases the osmotic pressure, and thus the tonicity of a solution. Opposite of hypotonic and contrasting with isotonic.

Of or pertaining to hypertrophy; affected with, or tending to, hypertrophy.

Excessively developed; characterized by hypertrophy.

A condition of overgrowth or excessive development of an organ or part; -- the opposite of atrophy.

to breathe rapidly and deeply; to breathe excessively; as, The mountain climber started to hyperventilate.

The act or process of hyperventilating; breathing rapidly and deeply.

Exposed to the air; wanting a roof; -- applied to a building or part of a building.

any of the threadlike filaments forming the mycelium of a fungus. See hyphae.

The long, branching filaments of which the mycelium (and the greater part of the plant) of a fungus is formed. They are also found enveloping the gonidia of lichens, making up a large part of their structure.

A genus of moths whose larvae are called fall webworms.

To connect with, or separate by, a hyphen, as two words or the parts of a word.

United by hyphens; hyphened; as, a hyphenated or hyphened word.

One of the great division of fungi, containing those species which have naked spores borne on free or only fasciculate threads.

Partly idiomorphic; -- said of rock a portion only of whose constituents have a distinct crystalline form.

A diminution in the normal amount of fibrin present in the blood.

Leading to sleep; -- applied to the illusions of one who is half asleep.

A somnambulist.

A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food. In some instances, a process of spore formation seems to occur within such cysts.

Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep.

One who is versed in hypnology.

A treatise on sleep; the doctrine of sleep.

An instrument for ascertaining the susceptibility of a person to hypnotic influences.

Supervention of sleep.

Any agent that produces, or tends to produce, sleep; an opiate; a soporific; a narcotic.

A form of sleep or trance, in some respects resembling somnambulism, but brought on by artificial means, in which there is an unusual suspension of some powers, and an unusual activity of others, especially a heightened susceptibility to suggestion. It is induced by an action upon the nerves, through the medium of the senses, by causing the subject to gaze steadily at a very bright object held before the eyes, or on an oscillating object, or by pressure upon certain points of the surface of the body, usually accompanied by the speaking of the hypnotist in quiet soothing tones. Called also hypnosis.

A person who hypnotizes another, especially one who is professionally trained in the technique.

The act or process of producing hypnotism.

To induce hypnotism in; to place in a state of hypnotism.

One who hypnotizes; a hypnotist.

The largest genus of true mosses; feather moss.

Sodium hyposulphite, or thiosulphate, a solution of which is used as a bath to wash out the unchanged silver salts in a picture.

Of or pertaining to a hypoarion.

An oval lobe beneath each of the optic lobes in many fishes; one of the inferior lobes.

The inner or lower layer of the blastoderm; -- called also endoderm, entoderm, and sometimes hypoderm. See Illust. of Blastoderm, Delamination, and Ectoderm.

Relating to, or connected with, the hypoblast; as, the hypoic sac.

A figure in which several things are mentioned that seem to make against the argument, or in favor of the opposite side, each of them being refuted in order.

Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch. A hypobranchial bone or cartilage.

A fleshy enlargement of the receptacle, or for the stem, below the proper fruit, as in the cashew. See Illust. of Cashew.

Producing fruit below the ground.

A furnace, esp. one connected with a series of small chambers and flues of tiles or other masonry through which the heat of a fire was distributed to rooms above. This contrivance, first used in bath, was afterwards adopted in private houses.

A salt of hypochlorous acid; as, a calcium hypochloride.

Pertaining to, or derived from, chlorine having a valence lower than in chlorous compounds.

The hypochondriac regions. See Hypochondrium.

An excessive concern about one's own health, particularly a morbid worry about illnesses which a person imagines are affecting him, often focusing on specific symptoms; also called hypochondriasis.

A person affected with hypochondria.

Same as Hypochondriac, 2.

Hypochondriasis.

Hypochondriasis.

Either of the hypochondriac regions.

Hypochondriasis.

An astringent inspissated juice obtained from the fruit of a plant (Cytinus hypocistis), growing from the roots of the Cistus, a small European shrub.

A median process on the furculum, or merrythought, of many birds, where it is connected with the sternum.

Endearing; diminutive; as, the hypocoristic form of a name.

hypocraterimorphous; salver-shaped.

Salver-shaped; having a slender tube, expanding suddenly above into a bowl-shaped or spreading border, as in the blossom of the phlox and the lilac.

The act or practice of a hypocrite; a feigning to be what one is not, or to feel what one does not feel; a dissimulation, or a concealment of one's real character, disposition, or motives; especially, the assuming of false appearance of virtue or religion; a simulation of goodness.

One who plays a part; especially, one who, for the purpose of winning approbation of favor, puts on a fair outside seeming; one who feigns to be other and better than he is; a false pretender to virtue or piety; one who simulates virtue or piety.

Hypocritically.

See Hypocritical.

Of or pertaining to a hypocrite, or to hypocrisy; as, a hypocriticalperson; a hypocritical look; a hypocritical action.

Partly crystalline; -- said of rock which consists of crystals imbedded in a glassy ground mass.

A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid.

The under side of the toes.

Same as Hypoblast.

A layer of tissue beneath the epidermis in plants, and performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.

Hypodermic.

Of or pertaining to the parts under the skin.

A hypodermic needle{2}.

A small slender hollow metallic tube, sharp-pointed at one end and fitted at the other end with an adapter of larger internal diameter, designed for introduction of liquids directly into the bloodstream or other parts of the body of an animal.

a small syringe designed for use together with a hypodermic needle{1} for injection of liquids directly under the skin, or into other parts of the body of an animal.

Same as Hypoblast.

Exhibiting retarded dicrotism; as, a hypodicrotic pulse curve.

Pertaining to, or obtained from, the peanut, or earthnut (Arachis hypog/a).

Of or pertaining to the hypogastrium or the hypogastric region.

The lower part of the abdomen.

Hypogeous.

Formed or crystallized at depths beneath the earth's surface; -- said of granite, gneiss, and other rocks, whose crystallization is believed of have taken place beneath a great thickness of overlying rocks. Opposed to epigene.

Growing under ground; remaining under ground; ripening its fruit under ground.

The subterraneous portion of a building, as in amphitheaters, for the service of the games; also, subterranean galleries, as the catacombs.

Under the tongue; -- applied esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue. One of the hypoglossal nerves.

Having the maxilla, or lower jaw, longer than the upper, as in the skimmer.

An hypogynous plant.

Inserted below the pistil or pistils; -- said of sepals, petals, and stamens; having the sepals, petals, and stamens inserted below the pistil; -- said of a flower or a plant.

Pertaining to one or more small elements in the hyoidean arch of fishes, between the caratohyal and urohyal. One of the hypohyal bones or cartilages.

Exhibiting a downward convexity caused by unequal growth. Cf. Epinastic.

Downward convexity, or convexity of the inferior surface.

A salt of hyponitrous acid.

Containing or derived from nitrogen having a lower valence than in nitrous compounds.

a word that is more specific (less abstract) than a given word; a term designating a class which is a subtype of the given word; a subcategory; a subtype. Inverse of hypernym; as, /dog/ is a hyponym of /mammal/, and /mammal/ is a hyponym of /vertebrate/.

The state or quality of being a hyponym; as, hyponymy is symbolized by the tag /hypon/.

An appendage or fold on the lower side of the pharynx, in certain insects.

A salt of hypophosphoric acid.

A salt of hypophosphorous acid.

Pertaining to, or derived from, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphoric acid.

Pertaining to, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphorous acid.

Being or growing on the under side of a leaf, as the fruit dots of ferns.

Of or pertaining to the hypophysis; pituitary.

See Pituitary body, under Pituitary.

The third lateral plate in the plastron of turtles; -- called also hyposternum.

An accessory plume arising from the posterior side of the stem of the contour feathers of many birds; -- called also aftershaft. See Illust. of Feather.

One of the barbs of the hypoptilum, or aftershaft of a feather. See Feather.

The stem of an aftershaft or hypoptilum.

Beneath the endoskeleton; hypaxial; as, the hyposkeletal muscles; -- opposed to episkeletal.

A deformity of the penis, in which the urethra opens upon its under surface.

That which forms the basis of anything; underlying principle; a concept or mental entity conceived or treated as an existing being or thing.

To make into a distinct substance; to conceive or treat as an existing being; to hypostatize.

Relating to hypostasis, or substance; hence, constitutive, or elementary.