hexastyle 
oriilisenceof other columns on the sides of the edifice, or at hoy 1 (ha), interj. 
-,co. These character. p /,,- = ,; /.,- = 
its opposite end, or within the portici . . 
istics must be expressed, in the description of a build- 
ing, by the adjunc- 
tion of other epi- 
thets or terms. 
Thus, the Roman 
temple called the 
Maison Carree, at 
Nimes, is a pro- 
style hexastyle 
pseudo-peripteros; 
the Theseum at 
Athens is an atii- 
phiprotttyle hexa- 
style peripteral 
temple, with pro- 
naos and opistho- 
dotnos or epinaos, 
umns in antis. 
hexasyllabic 
Hexastyle Front of the ancient : 
temple called the Maison Carree, at Nl 
France. 
2821 hibernacle 
[Also hay; < ME. licy, hay = Hiantes (hi-sui'tez), w. til. [NL., pi. of L. 
Dan. Sw. hej, interj. Cf. heigh, liinn(t-)s, ppr. of hiare, gape : see hiatus.} 1. 
Same as Finnimxh-/s. A. E. Brelim. 2. In 
Sundevall's classification of birds, a synonym 
of Ampligulares. 
hiationt (hi-a'shon), n. [< L. as if *hiatio(n-), 
< hiare, pp. hiatus, gape: see hiatus.] The act 
of gaping. 
The continual hiationoi holding open of its [the chame- 
leon's] mouth. Sir T. Browne, Vulg. Err., iii. 21. 
hiatus (hl-a'tus), .; pi. hiatuses, hiatus (-tm-ez, 
-tus). [L., a gap, aperture, chasm, hiatus, < 
hiare, pp. hiatus, gape, yawn, allied to E. yawn, 
q. v.] 1. An opening; an aperture; a gap; a 
chasm. 
/to 1 .] An exclamation expressing plea- 
sure, surprise, etc. : also used as a call to at- 
tract attention and as an interrogative. 
Hey, .Tohny Coup, are ye waking yet? 
Jiitson, Scottish Songs. 
Well, and you were astonished at her beauty, hey ! 
Sheridan, The Duenna, ii. 3. 
Bachelor Bluff, Bachelor Bluff, 
Hey for a heart that's rugged and tough ! 
Old sony, in Scott's Chronicles of the Canongate, xx. 
hey'-H, 
(hek"sa-si-lab'ik), a. [<'LL.hexasyllabus,<Gr. 
- 
An obsolete form of liigli. 
Chaucer. 
hey'^t, v. and n. An obsolete form of hie. Chaucer. 
hey 4 t, An obsolete form of hay*. 
heyday 1 (ha'da), inter/. [Formerly heyda, ac- 
com. of D. heidaar = G. heida = Dan. heida, hey 
ho there: see hey" 1 - and there.] An ex- 
." fl -i_l * i f T1 1 ) UllCACij UV VUUAU uvy^ nwy ' " J 
, of six syllables, < tf, = Kssx,+ - c i ama tiou of cheerfulness, surprise, wonder, 
1), syllable : see syllable.] Containing or con- etc 
, 
sisting of six syllables : as, irreconcilable is a 
hexasyllabic word; the hexasyllabic form of a 
choriambus (^ ^ w ^ -^ ^ for ^ ^ ). 
hexatetrahedron (hek-sa-tet-ra-he'dron), . ; 
pi. hexatetrahedra (-drii)." [< Gr. ef, = E. sir, 
+ E. tetrahedron, q. v.] In crystal., a solid heyday 2 (ha'da), n. 
bounded by twenty-four scalene triangles; the .... 
inclined hemihedral form of the hexoctahedron. 
The diamond sometimes has this form. 
Hexateuch (hek'sa-tuk), n. [< Gr. ef, = E. nix, 
+ Tfii^oc, a tool, implement, later also a book. 
Cf. Pentateuch, Heptateuch.] The first six books 
of the Old Testament. The sixth book, Joshua, re- 
lating the final settlement of the Jews in the promised 
land, is a continuation of the Pentateuch, and apparently 
forms with it a complete work, homogeneous in both style 
and purpose. 
Having relegated the whole of the Hexateuch into a late 
period, Prof. Slade naturally finds no reliable historical 
record before the days of the Judges. 
The Independent Hov.llSK 
Bey-da! what Hans Flutterkin is this ? what Dutchman 
doe's build or frame castles in the aire? 
B. Jonson, Masque of Augurs. 
Hey day ! what's the matter now ! 
Sheridan, School for Scandal, v. 3. 
[Confused with heyday 1 ; 
v.] Highest vigor; full 
iiudii/i/es, etc., and prob. orig. hey-day guise, ^v&tor c la vicu ire. 
e. holiday fashion: see heyday* and guise.] Hlbbertia (lu-ber ti-a), [NL. I 
. kind of dance ; a country-dance or round. 1797), named after George Hibbert.] 
as if sing., but usually heyday-guise, heyedeguyes, 
heidegyes, hey-de-guize, hy-day-gies, hydagies, 
haydigyes, etc., and prob. orig. hey-day guise, 
A kind of 
But frendly Faeries, met with many Graces, . . . 
And light-foote Nymphes can chace the lingering Sight 
With Heydeguyes and trimly trodden traces. 
Spenser, Shep. Cal., June. 
By wells and rills, in meadowes greene, 
We nightly dance our hey-day guise. 
Robin Good-fellow (Percy's Beliques, p. 387). 
Brave Don, cast your eyes 
On our gipsy fashions ; 
In our antic hey-de-guize 
We go beyond all nations. 
Middleton, Spanish Gypsy, iv. 1. 
An obsolete variant of hie. 
An obsolete variant of high. 
prop, high-day, q. 
strength; acme. 
At your age, 
The hey-day in the blood is tame, it's humble, 
And waits upon the judgment. 
Shak., Hamlet, iii. 4. 
A merry peal puts my spirits quite in a hey-day. 
Burgoyne, Lord of the Manor, 1. 1. 
The natural association of the sentiment of love with 
the heyday of the blood seems to require that in order to 
portray it in vivid tints . . . one must not be too old. 
Emerson, Love. 
The heyday of life is over with him, but his old age is 
sunny and chirping. Longfellow, Hyperion, iv. 2. 
""'*"*' y7 heyday-guiset, heydeguyt (ha'da-giz, ha'de- 
Hexateuchal (hek'sa-tu-kal), a. [< Hexateuch Jf. H pEarly mod. E. also haydequ, haydigce, 
+ -al.] Of or pertaining to the Hexateuch. 
hexatomic (hek-sa-tom'ik), a. [< Gr. ff, = E. 
six, + aro/jof, an atom.] In chem., consisting of 
six atoms : also applied to atoms which are 
hexavaleut and to alcohols or other compounds 
having six replaceable hydrogen atoms. 
hexavalent (hek-sav'a-lent), a. [< Gr. ef, = E. 
six, + L. valen(t-)s, ppr.'of valere, have power: 
see valid.] In chem., having the same saturat- 
ing or combining power as six hydrogen atoms, 
or a valence of six. 
hexaxon (hek-sak'son), a. [< Gr. ef, =E. six, + 
a$wv, an axle: see ax 2 , axe 2 , and axle.] Hav- 
ing six axes of growth, as a sponge-spicule. 
hexicology (hek-si-kol'o-ji), n. An erroneous 
form for hexiology. 
hexiolOgical(hek'"si-o-loj'i-kal),rt. [<.hexiology heyet, v. and n. 
+ -ic-al.] Pertaining to hexiology. Chaucer. 
hexiology (hek-si-ol'o-ji), n. [< Gr. i^ic, a state heyght, a. and adv 
or habit (< ^wf, have, hold ; intr. , be in a given Chaucer. 
state or condition: see hectic), + -t.oyia, < Xt- hey-gO-mad (ha'go-mad). [< hey 1 + go + mad.] 
yeiv, speak: see -ology.] The history of the de- A colloquial expression implying an intense or 
velopment and behavior of living beings as af- extreme degree, boundlessness, absence of re- 
fected by their environment. This term was 
originally proposed by Mivart in the erroneous 
form hexicology. 
hexiradiate (hek-si-ra'di-at), a. [Irreg. < Gr. 
ff, = L. sex= E.six, + L. radiatns, rayed: see 
radiate, a.] Having six rays, as the spicules of 
a glass-sponge ; sexradiate. 
Hence the group is distinguished as hexiradiate. 
W.B. Carpenter, Micros., 511. 
hexoctahedron (hek-sok-ta-he'drpn), . [< Gr. 
ff, = E. six, + E. octahedron, q. v.'] A crystal- 
line form belonging to the iso- 
metric system and contained 
under forty-eight equal tri- 
angular faces. Also called 
adamantoid, because it is a 
common form of the diamond. 
Also hexakisoctahedron. 
hextt, a. superl. [ME. hexte, 
liecst, etc.,<f AS. hehsta, superl. 
of hedh, high: see high. Cf. 
nest, superl. of nigh.] Highest. 
Than he glode thurgh the greues & the gray thornes, 
To the hed of the hole on the hext gre [step]. 
Destruction of Troy (E. E. T. S.), 1. 13604. 
The first apple and the hext 
Which groweth vnto you next. 
Isle of Ladies, 1. 345. 
Wlien bale is hext, 
Boot is next. Old , 
hexyl (hek'sil), n. [< Gr. ef, = E. six, + -yl.'\ 
The hypothetical radical (C 6 Hj 3 ) of the sixth 
member of the monovalent series of alcohols. 
Those hiatwes are at the bottom of the sea, whereby 
the abyss below opens into and communicates with it. 
Woodward. 
2. In anat., a foramen. 3. In gram, and 
pros., the coming together of two vowels 
without intervening consonant in successive 
words or syllables of one word. 4. A space 
from which something requisite to complete- 
ness is absent, as a missing link in a gene- 
alogy, an interval of unknown history, a lost 
or erased part of a manuscript, etc. ; a lacuna ; 
a break. 
I shall endeavour to fill this hiatus by producing an al- 
most entire chronologic series of paintings from the time 
to Hen. VII., when Mr. Vertue's notes recommence. 
Walpole, Anecdotes of Painting, I. ii. 
A lamentable hiatus occurs in his greatest work. 
Pregcott, Ferd. and Isa., ii. 2. 
Even the hiatus between the Vertebrata and the In- 
vertebrata is partly, if not wholly, bridged over. 
Huxley, Anat. Invert., p. 50. 
5. Specifically, in logic, a fault of demonstra- 
tion, consisting in the omission to prove some 
premise made use of, and not self-evident or 
admitted Hiatus Fallopil, the opening of Fallopius, 
an aperture in the petrous portion of the temporal bone 
for the passage of the petrosal branch of the Vidian nerve. 
Hiatus trapezli, the elongated lozenge-shaped inter- 
val between the fore border of the acromiotrapezius mus- 
cle and the margins of the clavotrapezius muscle and the 
levator claviculee. 
rNL. (Andrews, 
~ A genus 
of polypotalous dicotyledonous plants, belong- 
ing to the natural order DMeniacece and the 
tribe Hibbertiece. They are small heath-like shrubs 
with slender trailing or climbing stems, and showy yel- 
low flowers in solitary terminal or axillary clusters. The 
flowers, which are strong-scented, have 5 thick sepals, 
straint, or the like. [Eng.] 
Away they go, cluttering like hey-go-mad. 
Sterne, Tristram Shandy, i. 2. 
'Tisn't Mr. Bounderby, 'tis his wife ; yo'r not fearfo' o' 
her ; yo was heu-go-inad about her an hour sin. 
Dickem, Hard Times, xxii. 
hey-passt (ha 'pas'). [< hey, interj., + pass, 
impv.] An interjectional expression used by 
jugglers during the performance of their feats, Bpecies are known, chiefly confined to Australasia. They 
onH aniiiirolant. tn " PrpRrn f-llHTKre!" ' '-' - ' ' 
amfequivalent to " Presto, change! 
Ha' you forgotten me? you think to carry it away with 
your hey-passe and repasse. Marlowe, Faustus, v. 1. 
You wanted but Hey-passe to have made your transi- 
tion like a mysticall man of Sturbridge. But for all your 
Flowering Branch of Hibbertia vohtbilis. 
5 fugacious petals, numerous stamens, and 1 to 15 car- 
pels, each containing one or more shining seeds. About 70 
species are known, chiefly confined to Australasia. The 
are the Australian rock-roses, and a number of species 
are cultivated for their showy flowers. Beautifully pre- 
served impressions of the leaves of three species of this 
genus have been described by Conwentz from fragments 
of amber from the celebrated amber-beds of northern 
Prussia. 
heyront, 
Hey's ligament. See ligament. 
heysoget, heysugget, Obsolete forms of hay- 
Hexoctahedron. 
proposedbyReichenbach in 1828,andtypifiedby 
the genus Hibbertia. It differs from the other tribes of 
the Dilleniacccf by having the apex of the filaments never 
or rarely dilated, by the anthers being often oblong, and 
by having small one-nerved or rarely reticulate-nerved 
leaves. Same as Hibbertinece of Spoch. 
Hg. In chem., the symbol for mercury (New 
Latin hydrargyrum). 
H. H. An abbreviation of (a) His Holiness r , 
that is, the Pope-or of ( b) His (or Her) High- "Jflft****^* J*Hft 
inclosed, = Sp. ineernaculo, a greenhouse, < 
L. hibernaculum, winter residence, pi. hiberna- 
cula, winter tents, winter quarters, < hibernare, 
pass the winter: see hibernate.] 1. That which 
serves for shelter or protection in winter; 
hhd. A contraction of hogshead. 
hi (hi), interj. [Also hy ; a mere exclamation, 
like hey 1 , lit-if/h. lift 1 , etc.] An exclamation of 
surprise, admiration, etc.: often used ironi- 
cally and in derision. 
Ready money worth twelve per cent, a month, too, and 
he with twelve banks in monte and f aro. Hi, hi, hi f 
J. W. Palmer, Sew and Old, p. 172. 
winter quarters. 2. In hort., a covering or 
protection for young buds during winter. 3. 
Same as hibcniacidiiiii, 2. 
