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Haematoblast

One of the very minute, disk-shaped bodies found in blood with the ordinary red corpuscles and white corpuscles; a third kind of blood corpuscle, supposed by some to be an early stage in the development of the red corpuscles; -- called also blood plaque, and blood plate.

Haematocrya

The cold-blooded vertebrates. Same as Hematocrya.

Haematogenesis

The origin and development of blood. The transformation of venous into arterial blood by respiration; hematosis.

Haematoin

A substance formed from the hematin of blood, by removal of the iron through the action of concentrated sulphuric acid. Two like bodies, called respectively haematoporphyrin and haematolin, are formed in a similar manner.

Haematology

The science which treats of the blood. Same as Hematology.

Haematolysis

Dissolution of the red blood corpuscles with diminished coagulability of the blood; haemolysis.

Haematometer

Same as Hemadynamometer. An instrument for determining the number of blood corpuscles in a given quantity of blood.

Haematophilina

A division of Chiroptera, including the bloodsucking bats. See Vampire.

Haematoplastic

Blood formative; -- applied to a substance in early fetal life, which breaks up gradually into blood vessels.

Haematosac

A vascular sac connected, beneath the brain, in many fishes, with the infundibulum.

Haematoxylin

The coloring principle of logwood. It is obtained as a yellow crystalline substance, C16H14O6, with a sweetish taste. Formerly called also hematin.

Haematoxylon

A genus of leguminous plants containing but a single species, the Haematoxylon Campechianum or logwood tree, native in Yucatan.

Haematozoon

A parasite inhabiting the blood Certain species of nematodes of the genus Filaria, sometimes found in the blood of man, the horse, the dog, etc. The trematode, Bilharzia haematobia, which infests the inhabitants of Egypt and other parts of Africa, often causing death.

Haemic

Pertaining to the blood; hemal.

Haemochromogen

A body obtained from hemoglobin, by the action of reducing agents in the absence of oxygen.

Haemochromometer

An apparatus for measuring the amount of hemoglobin in a fluid, by comparing it with a solution of known strength and of normal color.

Haemocytotrypsis

A breaking up of the blood corpuscles, as by pressure, in distinction from solution of the corpuscles, or haemocytolysis.

Haemol

A dark brown powder containing iron, prepared by the action of zinc dust as a reducing agent upon the coloring matter of the blood, used medicinally as a hematinic.

Haemony

A plant described by Milton as /of sovereign use against all enchantments./

Haemoscope

An instrument devised by Hermann, for regulating and measuring the thickness of a layer of blood for spectroscopic examination.

Haffle

To stammer; to speak unintelligibly; to prevaricate.

hafnium

A metallic element of atomic number 72 present together with zirconium to the extent of 1% to 5% in zirconium minerals. It is a poisonous, ductile metal with a brilliant silver luster, has an atomic weight of 178.49, and has a high melting point (2227/ C). It is used in nuclear reactors, and incandescent lamps as a scavenger of oxygen and nitrogen. See also norium.

Haft

To set in, or furnish with, a haft; as, to haft a dagger.

Hag

A small wood, or part of a wood or copse, which is marked off or inclosed for felling, or which has been felled.

Hag-taper

The great woolly mullein (Verbascum Thapsus).

Hagberry

A plant of the genus Prunus (Prunus Padus); the bird cherry.

Hagbut

A harquebus, of which the but was bent down or hooked for convenience in taking aim.

Hagbutter

A soldier armed with a hagbut or arquebus.

Hagdon

One of several species of sea birds of the genus Puffinus; esp., Puffinus major, the greater shearwarter, and Puffinus Stricklandi, the black hagdon or sooty shearwater; -- called also hagdown, haglin, and hag. See Shearwater.

Haggada

A story, anecdote, or legend in the Talmud, to explain or illustrate the text of the Old Testament.

Haggis

A Scotch pudding made of the heart, liver, lights, etc., of a sheep or lamb, minced with suet, onions, oatmeal, etc., highly seasoned, and boiled in the stomach of the same animal; minced head and pluck.

Haggle

The act or process of haggling.

Haggler

One who haggles or is difficult in bargaining.

Hagiarchy

A sacred government; government by holy orders of men.

Hagiographa

The last of the three Jewish divisions of the Old Testament, comprising Psalms, Proverbs, Job, Canticles, Ruth, Lamentations, Ecclesiastes, Esther, Daniel, Ezra, Nehemiah, and Chronicles, or that portion of the Old Testament not contained in the Law (Tora) and the Prophets (Nevi'im) -- it is also called in Hebrew the Ketuvim. Together with the Tora and Nevi'im, it comprises the Hebrew Bible, which is called in Hebrew the Tanach, a vocalization of the first letters of its three parts.

Hagiographer

One of the writers of the hagiographa; a writer of lives of the saints.

Hagiologist

One who treats of the sacred writings; a writer of the lives of the saints; a hagiographer.

Hagiology

The history or description of the sacred writings or of sacred persons; a narrative of the lives of the saints; a catalogue of saints.

Hagioscope

An opening made in the interior walls of a cruciform church to afford a view of the altar to those in the transepts; -- called, in architecture, a squint.

hagridden hag-ridden

Ridden by a hag or witch; afflicted with nightmares; tormented or harassed by nightmares or unreasonable fears.

Hagship

The state or title of a hag.

Haidingerite

A mineral consisting chiefly of the arseniate of lime; -- so named in honor of W. Haidinger, of Vienna.

Haiduck

Formerly, a mercenary foot soldier in Hungary, now, a halberdier of a Hungarian noble, or an attendant in German or Hungarian courts.

Haik

A large piece of woolen or cotton cloth worn by Arabs as an outer garment.

Haikal

The central chapel of the three forming the sanctuary of a Coptic church. It contains the high altar, and is usually closed by an embroidered curtain.

Hail

A wish of health; a salutation; a loud call.

Hailshot

Small shot which scatter like hailstones.

Hailstone

A single particle of ice falling from a cloud; a frozen raindrop; a pellet of hail.

Hailstorm

A storm accompanied with hail; a shower of hail.

Hain

To inclose for mowing; to set aside for grass.

Hair

The collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the whole of the body.

hair ball hairball

a compact mass of hair that forms in the stomach of animals as a result of licking fur; as, the cat coughed up a hairball right on the new rug.

Hair-brown

Of a clear tint of brown, resembling brown human hair. It is composed of equal proportions of red and green.

Hair-salt

A variety of native Epsom salt occurring in silky fibers.

Hairbreadth

Having the breadth of a hair; very narrow; as, a hairbreadth escape.

Hairbrush

A brush for cleansing and smoothing the hair.

Haircloth

Stuff or cloth made wholly or in part of hair.

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