onto 
3. To the top of; upon; on. 
" Where are yon going now, Mrs. Fairfax?" ..." <>n ' 
the leads ; will you come ami see the view ': 
flnnlnti.- Hfmiir, .lane F.yre, xi. 
It kinil of puts a nun -out ui close /i'<< a word, thisere 
funattick spellln' iloo.-t. 
Lnirrll, liiglow Papers, at scr., Ni>. xi., The Argymuiit. 
He Sllbsiilrd until the music-liencli obediently. 
.!//. lliiin/ilirn Ward, Robert Elsmere, xvili. 
ontogenal (on-toj'e-nul), . iSameas ontix/i /<. 
\,il,tr<; NLI. 316. |Kare.] 
ontogenesis (oii-t(3-jen'o-sis), n. [< Gr. I'.n 1 
(fii'T-), being (neut.' pi. TO. bvra, existing things), 
i / i' .. i i__ i. -.1 it.-^ t,:,.. n _. .. 
4116 
onus (o'niis), M. [< L. minx (oner-), a load, bur- 
den. Hence ult. E. OIK /"x. '"<"<, etc.] A 
burden: often used for onus prolHimli, 'onus of 
proof.' 
I again move the introduction of a new topic. ... on 
me lie the omui of bringing it forward. 
( l l,:irl<itte Broom, Jane Eyre, xvii. 
Even in those portions of conduct which do affect the in- 
terests of others, the om/x of making out a case always lies 
on the defenders of legal prohibitions. J. S. Mill. 
Onus probandi (literally, 'the liuiden of proving i, tin 
linnlen of proof that is, the task of proving what has 
been alleged. This usually rests ujion the person or side 
making the charge or allegation, but sometimes with the 
Also tin fiif/f/u/. 
ontogenetic (on'to-je-net'ik), a. [< ontogeiie- 
xix, iit'ter </<'<" <] 'Of', pertaining to, or relating 
to ontogenesis. 
ontogenetical (ou''to-jc-net'i-kal), . [< onto- 
i/riii-tic. + -<il.] Same as ontogenetic. 
ontogenetically (on*to-je-net'i-kal-i), adv. In 
an ontogi.'iiftio manner;' by way of ontogene- 
sis. 
ontogenic (ou-to-jen'ik), a. [< oiitogen-y + 
-ic.] Of or pertaining to ontogeny, or the his- 
tory of the individual development of an or- 
ganized being. 
ontogenically (on-to-jen'i-kal-i), adv. Onto- 
genetically; by ontogenesis. 
ontogenist (on-toj'e-nist), n. [< ontogen-y + 
-int.] One who is versed in or studies on- 
togeny 
ahead : as, to move onward, literally or figura- 
tively. 
When the cloud was taken up from over the tabernacle, 
the children of Israel went onward in all their journeys. 
Ex. x!. 3(1. 
And this shall seem, as partly 'tis, their own 
Which we have goaded onward. 
Shak.,CoT., ii. 3.271. 
2. Forward; continuously on. 
Nature, sovereign mistress over wrack, 
As thou goest tmintrtl*, still will pluck thee back. 
Slink-., Sonnets, cxxvi. 
Still onward winds the dreary way. 
Tennyson, In Memoriam, xxvi. 
3. Forth; forward in time. 
But say 
That death be not one stroke, as I supposed, 
Bereaving sense, but endless misery 
From this day onward. Miltan, P. L., r. 811. 
ontogeny (on-toj'e-ni), n. [< Gr. uv (birr-), be- =8yn. Forward, Onward. 8ee/orurdi. 
ing, + -yi-vcut, < -yevfa, producing: see -geny.] on ward (on' ward ), n. [< onward, adr.] 1. Ad- 
1. Same as ontogenesis. 2. Specifically or vancing; moving on or forward, 
ontogenesis of an individual liv- No doubtT 
as 
specially, the 
ing organism ; the entire development and met- 
amorphosis or life-history of a given organism, 
as distinguished from phytogeny. 
ontograpnic (on-to-graf'ik), a. [< ontograi>h-y 
+ -ic.] Of or pertaining to ontography. 
Ontography ton-tog'ra-fi), . [< Gr. uv (OVT-), 
being, + -ypaQia, < yptjtai, write.] A descrip- 
tion of beings, their nature and essence. Thomas, 
Med. Diet. 
ontologic (on-to-loj'ik), o. [= F. ontologique; 
as ontohnj-y + -ic.'] Same as ontological. 
ontological (on-to-loj'i-kal), a. [< ontologic + 
_ doubt vast eddies In the flood 
Of onward time shall yet be made. 
Tennyson, In Uemoriam, cxxviii. 
2. Forward; forwarding: said of progress or 
advancement. 
The onward course which leadeth to Immortality and 
honour. Chalmers, Sabbath Readings, II. 198. 
The world owes all its onward impulses to men ill at 
ease. Hawthorne, Seven Gables, xx. 
3. Advanced as regards progress or improve- 
ment; forward. 
Within a while Phlloxenus came to see how onward the 
fruits were of his friend's labour. 
Sir P. Sidney, Arcadia, i. 
onwardnesst (on'ward-nes), n. The state or 
i priori argument for the being ot uod, aerivea from con dition of being "onward or advanced; ad- 
the necessary elements involved In the very Idea of God. _-..___.,.,.- o,-, T Mnrr TTtntrin ii 7 
It has been stated by Anselm, Descartes, and Leibnitz. vance , progress. Dir I. More, Utopia, 11. I. 
ontologically (ou-to-loj'i-kal-i), adv. In the onwards, adv. See onward. 
manner of ontology; by means of or in accor- Onwryt, ' 
dance with ontology. ony (o 
ontologism (on-tol'o-jizm). >i. [< ontolog-y + 
A variant of itnicry. Chaucer. 
. and pron. An obsolete or dialectal 
(Scotch) form of any. 
-ixm ]~ In theol, the doctrine that the" human onycha (on'i-ka), , [< L. onycha, ace. of onyx 
intellect has an immediate cognition of God as (<*) a kind of mussel: see onyx.] 1. The 
its proper object and the principle of all its shell or operculum of a species of mollusk, 
found in India and elsewhere, and emitting, 
cognitions. Ontologism was initiated by Marsillus Fici- 
nus, and formulated and continued by Malebranche and 
by Gioberti. As formulated in certain selected proposi- 
tions, the system was condemned by papal authority in 
isiil, and this decision was confirmed by others In 1862 
and 18B6. Cath. Diet. 
ontologist (on-tol'o-jist), n. [= F. ontologiste 
= Sp. ontoloi/ista; as ontolog-y + -1st.] One 
who is versed in ontology; one who studies 
ontology. 
ontologi'ze (oii-tol'o-jiz), . i.; pret. and pp. on- 
/iilni/i~fil,]>\n'.i:iilnlin/i:iiiii. \ < nnlolo</-y + -ize.~\ 
To pursue ontological studies; be an ontolo- 
gist : study ontology. 
ontology (on-tol'o-ji). n. [= F. ontologie = Sp. 
= Pg. It. oitlnloi/iii, < NL. ontologia 
when burned, a musky odor. In Smith's "Diction- 
ary of the Bible " the ouycha of the following quotation is 
identified as the operculum of some species of Strombus, 
which has a claw-like shape and a peculiar odor when 
burned. This object is also said to have been known in 
old works on materia medica by the names tmguis odo- 
ratvx, Malta Byzanlina, and devil't-daw. 
Take unto thee sweet spices, stacte, and onycha [L, ony- 
cha, ace., Vulgate, translating Heb. nhechcleth]. 
Ex. MX. 34. 
2. The onyx. 
onychauxis (on-i-kak'sis), w. [NL.,< Gr. bwi- 
(bvvx-), finger-nail, + aiseiv, increase.] Increase 
in the substance of the nail, whether as simple 
thickening or as a general enlargement of its 
entire substance. 
. 
(Clauberg, died 1655), < Gr. uv (OVT-), being onychia 1 (o-nik'i-a), . [NL.,< Gr. 6vv (bvi- x -), 
(neut. pi. Tii ovra, existing things), -I- -'/.oyia, < finger-nail': see Myst.1 Suppurative inflamma- 
/t-ji-n; speak: see -ology.] The theory of be- tion in proximity to the finger-nail. See jMtro- 
ing ; that branch of metaphysics which iuvesti- ,,y<-hid. Onychia maligna, a perverse suppurative in- 
gates the nature of being and of the essence of flammation of the nail-bed, occurring spontaneously in 
things, both substances and accidents. persons with vitality exhausted by chronic dlsease.-Ony- 
_i i- , cilia parasitica, onychomycosis. 
Ontology is a discourse of being in general, and the vari- f\tnrViia " nit'i ii v i TNT <1 nniirlituui-h \ 
ous or most universal modes or affections, as well as the OnVCnia- (o-iiik i-a), II. LML,.,<. L,. Oiiyx(<ii/< It-), 
several kinds or divisions of it. The word being here in-, a kind of mussel : see onyx, onycha.] 1. In 
en torn,: (a) A genus of lepidopterous insects, 
f oun ded by Hiibner in 1816. (6) A genus of 
cynipidous hymenopterous insects of the sub- 
oBeinw,crwvaac famil j' '/'"". founded by Walker in 1835. 
of Being. //, ./, I, Logic, tr. by W . \\ allace, 83. Three J.^ American a|ld 8evera | Europe an species are 
Tlie science conversant about all such inferences of un- described. Like the rest of the Fiyitince, and unlike most 
known being from its known manifestations is called on- other Cynipidce, they are all parasitic. 
titoff!/. AYi- ic. ll/imilinn. UeUpb., vii. % j genus of cephalopods. 
OntOSOphy l,(iii-los'6-ii). . [< ML. <mt<is<ii>lii onychia 3 , . Plural of imyi'liiiini. 
(Clauberg, died 1665), < Cir. wi' (IT-), being, + onychian (o-iiik'i-an). n. A eephalopod of the 
i-iriiu. wisdom.] Same as nnlnhiijii. family Oni/rhii or Oni/rliiilriitliiilii . 
. 
eludes not only whatsoever actually is, but whatsoever 
can h, . Watts, Ontology, ii. (Fltminy.) 
The first part of this inetaphyslc in its systematic fonu 
onyx 
onychite (on'i-kil), . [< L. './,// / ,////r,. imy- 
cliitix, < (Jr. iiri,\in/t , 'un \I-K. si'. /.'/', a kind of 
yellowish marble, < ri s - (ri'.|-), miyx. etc.: see 
ini;/r.\ An Oriental alahasler (aragonile) con- 
sisting of carbonate of lime, white with yellow 
and brown veins, at present found in Algeria, 
Mexico, and ( 'iilitornia. It is believed liy King to 
ha\ i- been the ancient inttrrine. Pliny and other :HI; 
mention fabulous sums as having been paid for vases of 
onychite. 
onychiti8(on-i-ki'tis). . ptL.,<Qr.4v^(4^-). 
a nail, claw, + -iti*.] Inflammation of the soft 
parts about the nail; paronychia. 
onychium (o-nik'i-um), . : pi. i/cAm (-&). 
[NL., < Gr. bvvxtov, a little claw, dim. of Svt'f 
(o'.i>x-), a nail, claw: see onyx.] A little claw; 
specifically, in entoin.,& small appendage of the 
terminal joint of the tarsus of many insects, be- 
tween the two claws with which the tarsus usu- 
ally ends, 'i'lii' onychin m may bear an appendage called 
paronychiurn. Also called pteudonyehium, and in dipters 
empodium. 
onychogryposis (on'i-ko-gri-po'sis), n. [NL., 
< Gr. 6>i'J (bwx-), a nail, claw, + ypinruai(, a 
crooking, hooking : see aryposis.] Thickening 
and curvature of the nails. Also, erroneously, 
o>ii/cho(/ryi>ltositi. 
onychomancy (on'i-ko-man-si), n. [< Gr. owf 
(bwx-), nail, + fiavreia, divination.] A kind of 
divination by means of the finger-nails. Bourne's 
Pop. Antiq. (1777), p. 96. 
Onycnomycosis (on'i-ko-mi-ko'sis), . [NIj., 
< Gr. ovvi; (bwx-), a nail, claw, + NL. mycogin.] 
Disease of the nail caused by the presence of a 
fungus, usually TrichopJiyton tonsurans, rarely 
Aehorion ticlionleinii Onychomycoais circlnata. 
Same as onychomycoris trichophytina. pnychomycosls 
favosa, onychomycosis caused by Aehorion Schonleinii. 
OnychomycoBls trlchophytlna, onychomycosis caused 
by Trichophyton tonsurang. 
onychonosos (on-i-kon'o-sos), K. [NL., < Gr. 
bvv% (bvi'x-), a nail, claw, + v6ao(, disease.] In 
pathol., disease of the nails. 
onychopathic (on"i-ko-path'ik), a. [< Gr. owf 
(bvvx-), a nail, claw, 4- n-dfloc, suffering.] Per- 
taining to or affected with disease of the nails. 
Onychophora (on-i-kof'o-rS), . pi. [NL., < 
Gr. 6vt'| (bwx-), a na il- claw, + Qkpeiv = E. 
beari.] An order of Myriapoda established 
for the reception of the single genus 1'eripatus. 
Also called Peripatidea, Malacopoda, and Ony- 
chopoda. 
onychophoran (on-i-kof'o-ran), a. and n. [As 
Onychophora + -an.] I. a. Of or pertaining to 
the Unychophora. 
II. n. A member of the Onychophora. 
onychophorous (on-i-kof o-rus), a. [As Ony- 
chojthora + -ous.] Same as onychophoran. 
onychosis (on-i-ko'sis), n. [NL., < Gr. 4wf 
(bvvx-), a na il) claw, + -ogix.] Disease of the 
nails. 
onyert, . See oneyer. 
onym (on'im), . [< Gr. 8m>//a, a dial, (^olic) 
form (used also in Attic in comp. -o-aw/Mf, 
-uwfiof) of bvofia, Ionic oitvofia, a name : see 
name 1 .] In rooV., the technical name of a spe- 
cies or other group, consisting of one or more 
terms applied conformably with some recog- 
nized system of nomenclature. 
The word onym supplies the desiderata of brevity In 
writing, euphony in speaking, plastic aptitude for combi- 
nations, and exactitude of signification. 
Couei, The Auk, 1884, p. 321. 
onymal (on'i-mal), . [< onym + -al.] Inzool., 
of or pertaining to an onym or to onymy. 
OnymatiC (on-i-mat'ik), a. [< Gr. bm[ta(r-), a 
name, + -ic.] Pertaining to or consisting in 
the technical nomenclature of a science. 
A new onymatic system of logical expression. 
W. S. Jeeoni, Encyc. Brit, VII. 86. 
onymize (on'i-miz), r. i. ; pret. and pp. ony- 
nii-/'il, ppr. <nii/mi~i>i(/. [< onym + -ize.] In 
_o67., to make use of bnyms: apply a system of 
nomenclature. 
Onymy (on'i-mi), n. [< miym + -if* (after sy- 
nonymy, etc.).] In :<>ol., the use of onyms; a 
system of nomenclature. 
oriyst, ''*' An obsolete foi-m of owe* 1 . 
onyx (on'iks), n. [In ME. oniche, < OF. nniche. 
onyche, F. onyx (after L.) = Sp. onique, oni: = 
Pg. onix = It. onice, < L. oinjj- (aiii/ch-). < Gr. 
oiT)f (bvvx-), a nai l ( of a human being), a claw or 
talon (of a bird), a claw (of a beast), a hoof (of 
horses, oxen. etc.). a thickening in the cornea 
of the eye, a veined gem, the onyx, in L. also 
a kind of yellowish marble; = L. itnguix, a nail 
(< iini/nlti, 'a hoof). See nail.] 1. A variety of 
quart/., closely allied to agate, rhanicterized 
by a structure in parallel bands differing in 
