HÆCCEITY, hek-s[=e]'i-ti, h[=e]k-, _n._ Duns Scotus's word for that element
of existence on which individuality depends, hereness-and-nowness. [Lit.
'thisness,' L. _hæc_.]
HÆMACYTE, HEM-, h[=e]'ma-s[=i]t, _n._ a blood-corpuscle.--_n._
HÆMACYTOM'ETER, an instrument for determining the number of such in a given
quantity of blood.
HÆMADYNAMICS, HEM-, h[=e]-ma-di-nam'iks, _n._ the dynamics or theory of the
circulation of the blood.
HÆMAL, HEMAL, h[=e]'mal, _adj._ relating to the blood or blood-vessels:
ventral, the opposite of _Neural_.--_n._ HÆ'MACHROME, the colouring matter
of the blood.--_adj._ HÆ'MATOID, resembling blood.--HÆMAL ARCH, the
position of a vertebra enclosing and protecting the heart and other
viscera; HÆMAL CAVITY, the thoracic-abdominal cavity, containing the heart,
&c. [Gr. _haima_, blood.]
HÆMANTHUS, h[=e]-man'thus, _n._ a genus of bulbous plants native to Africa,
including the Cape tulip. [Gr. _haima_, blood, _anthos_, a flower.]
HÆMASTATIC, HEM-, -AL, h[=e]-ma-stat'ik, -al, _adj._ serving to stop the
flow of blood.--_n.pl._ HÆMASTAT'ICS, the statics of the blood and
blood-vessels. [Gr. _haima_, blood, _statikos_, static.]
HÆMATEIN, HEM-, h[=e]-ma-t[=e]'in, _n._ an organic principle derived from
the colouring matter of logwood.
HÆMATEMESIS, h[=e]-ma-tem'e-sis, _n._ a vomiting of blood from the stomach.
[Gr. _haima_, _haimat-os_, blood, _emein_, to vomit.]
HÆMATIN, HEM-, h[=e]'ma-tin, hem'a-tin, _n._ a brown substance associated
with hemoglobin in the blood.--_adjs._ HÆMAT'IC, HÆ'MIC--_n.pl._ HÆMAT'ICS,
that branch of medical science concerned with the blood.
HÆMATITE, HEM-, hem'a-t[=i]t, h[=e]'ma-t[=i]t, _n._ (_min._) a valuable ore
of iron, consisting chiefly of peroxide of iron--its two chief varieties,
Red Hæmatite and Brown Hæmatite.--_adj._ HÆMATIT'IC.
HÆMATOBLAST, h[=e]'ma-to-blast, hem'-, _n._ one of the minute colourless
discs, smaller than either the red or white corpuscles, found in the blood.
[Gr. _haima_, _haimat-os_, blood, _blastos_, a germ.]
HÆMATOCELE, HEM-, h[=e]'ma-to-s[=e]l, _n._ a tumour containing blood. [Gr.
_haima_, blood, _k[=e]l[=e]_, a tumour.]
HÆMATOLOGY, h[=e]-ma-tol'o-ji, _n._ the branch of biology which relates to
the blood.
HÆMATOSIS, h[=e]-ma-t[=o]'sis, _n._ the formation of blood, the conversion
of venous into arterial blood.--_n._ HÆMAT[=O]'SIN, hæmatin.
HÆMATOXYLIN, HEM-, h[=e]-ma-tok'si-lin, _n._ a dye obtained from the
logwood-tree. [Gr. _haima_, blood, _xylon_, wood.]
HÆMATOZOA, h[=e]-ma-to-z[=o]'a, _n._ parasites occurring in the blood. [Gr.
_haima_, _haimat-os_, blood, _z[=o]on_, an animal.]
HÆMATURIA, h[=e]-ma-t[=u]'ri-a, _n._ the discharge of blood with the urine,
usually from disease of the kidneys or bladder. [Gr. _haima_, blood,
_ouron_, urine.]
HÆMOGLOBIN, HEM-, h[=e]-mo-gl[=o]'bin, _n._ the red substance in the red
blood-corpuscles. [Gr. _haima_, blood, L. _globus_, a ball.]
HÆMONY, h[=e]'mo-ni, _n._ a plant with sovereign properties against magic,
&c., in Milton's _Comus_. [Prob. formed from Gr. _haim[=o]nios_,
blood-red.]
HÆMOPHILIA, h[=e]-mo-fil'i-a, hem-o-, _n._ a constitutional tendency to
excessive bleeding when any blood-vessel is even slightly injured.
HÆMOPHTHALMIA, h[=e]-mof-thal'mi-a, _n._ effusion of blood into the eye.
[Gr. _haima_, blood, _ophthalmos_, the eye.]
HÆMOPTYSIS, h[=e]-mop'ti-sis, _n._ expectoration of blood. [Gr. _haima_,
blood, _ptysis_, a spitting.]
HÆMORRHAGE, HEM-, hem'or-[=a]j, _n._ a discharge of blood from the
blood-vessels.--_adj._ HÆMORRHAG'IC. [Gr. _haimorrhagia_--_haima_, blood,
_rh[=e]gnynai_, to burst.]
HÆMORRHOIDS, HEM-, hem'or-oidz, _n.pl._ dilated veins liable to discharge
blood, esp. piles.--_adj._ HÆMORRHOID'AL. [Gr. _haimorrhoides_--_haima_,
blood, _rhein_, to flow.]
HÆMOSTASIA, h[=e]-mo-st[=a]'si-a, _n._ stagnation of blood in any part: any
operation for arresting the flow of blood, as the ligation of an
artery.--_adj._ HÆMOSTAT'IC, stopping or preventing hæmorrhage, styptic.
[Gr. _haima_, blood, _stasis_, a standing.]
HAET, HAIT, h[=a]t, _n._ (_Scot._) a whit.
HAFFET, haf'et, _n._ (_Scot._) the side of the head, the temples. [Prob.
_half-head_--A.S. _healf-héafod_.]
HAFFLIN, haf'lin, _adj._ (_Scot._) half-grown.--_n._ a fool.
HAFT, haft, _n._ a handle.--_v.t._ to set in a haft: to establish firmly.
[A.S. _hæft_; Ger. _heft_.]
HAG, hag, _n._ an ugly old woman, originally a witch: one of the Round
Mouths, allied to the lamprey.--_adj._ HAG'GISH, hag-like.--_adv._
HAG'GISHLY.--_adj._ HAG'-RID'DEN, ridden by witches, as a horse: troubled
by nightmare.--_ns._ HAG'-SEED, a witch's offspring; HAG'SHIP, the
personality of a hag; HAG'WEED, the common broom, a broomstick being
usually bestridden by a witch in her flight through the air. [A.S.
_hægtesse_, a witch; Ger. _hexe_.]
HAG, hag, _n._ (_Scot._) any broken ground in a moss or bog: brushwood to
be cut down.
HAGBERRY, hag'ber-i, _n._ the bird-cherry--sometimes HACK'BERRY. [Prob.
Scand.; Ice. _heggr_.]
HAGBUT. See HACKBUT.
HAGDEN. See HACKLET.
HAGGADA, ha-gä'da, _n._ a free Rabbinical homiletical commentary on the
whole Old Testament, forming, together with the _Halacha_, the Midrash, but
from its especial popularity often itself styled the Midrash--also
HAGGÄ'DAH, AGÄ'DAH.--_adjs._ HAGGAD'IC, HAGGADIST'IC, pertaining to the
Haggada, said of free interpretation, opposed to _Halachic_ or legal.--_n._
HAGG'ADIST. [Heb.]
HAGGARD, hag'ard, _adj._ lean: hollow-eyed: wild, applied to an untrained
hawk--(_arch._) HAGG'ED.--_n._ HAGG'ARD, a hawk.--_adv._ HAGG'ARDLY. [O.
Fr. _hagard_, prob. related to _haie_, hedge.]