Omnipresential Om`ni·pre·sen"tial adjective Implying universal presence. [ R.] South.

Omniprevalent Om`ni·prev"a·lent adjective [ Omni- + prevalent .] Prevalent everywhere or in all things. Fuller.

Omniscience Om·nis"cience noun [ Confer French omniscience .] The quality or state of being omniscient; - - an attribute peculiar to God. Dryden.

Omnisciency Om·nis"cien·cy noun Omniscience.

Omniscient Om·nis"cient adjective [ Omni- + Latin sciens , - entis , present participle of scire to know: confer French omniscient . See Science .] Having universal knowledge; knowing all things; infinitely knowing or wise; as, the omniscient God. -- Om*nis"cient*ly , adverb

For what can scape the eye
Of God all-seeing, or deceive his heart
Omniscient ?

Milton.

Omniscious Om·nis"cious adjective [ Latin omniscius . See Omniscient .] All-knowing. [ Obsolete] Hakewill.

Omnispective Om`ni·spec"tive adjective [ Omni- + Latin spectus , past participle of specere , spicere , to view.] Beholding everything; capable of seeing all things; all- seeing. [ R.] " Omnispective Power!" Boyse.

Omnium Om"ni·um noun [ Latin , of all, gen. plural of omnis all.] (Eng.Stock Exchange) The aggregate value of the different stocks in which a loan to government is now usually funded. M'Culloch.

Omnium-gatherum Om`ni·um-gath"er·um noun [ A macaronic compound of Latin omnium , gen.pl. of omnis all, and English gather .] A miscellaneous collection of things or persons; a confused mixture; a medley. [ Colloq. & Humorous] Selden.

Omnivagant Om·niv"a·gant adjective [ Omni + Latin vagans , present participle of vagari to wander.] Wandering anywhere and everywhere. [ R.]

Omnivora Om·niv"o·ra noun plural [ New Latin See Omnivorous .] (Zoology) A group of ungulate mammals including the hog and the hippopotamus. The term is also sometimes applied to the bears, and to certain passerine birds.

Omnivorous Om·niv"o·rous adjective [ Latin omnivorus ; omnis all + vorate to eat greedily. See Voracious .] All-devouring; eating everything indiscriminately; as, omnivorous vanity; esp. (Zoology) , eating both animal and vegetable food. -- Om*niv"o*rous*ness , noun

Omo- O"mo- [ Greek ... the shoulder.] A combining form used in anatomy to indicate connection with , or relation to , the shoulder or the scapula .

Omohyoid O`mo·hy"oid adjective [ Omo- + hyoid .] (Anat.) Of or pertaining to the shoulder and the hyoid bone; as, the omohyoid muscle.

Omophagic O"mo·phag"ic adjective [ Greek ...; ... raw + ... to eat.] Eating raw flesh; using uncooked meat as food; as, omophagic feasts, rites.

Omoplate Om"o·plate noun [ French, from Greek .... See Omo- , and Plate .] (Anat.) The shoulder blade, or scapula.

Omostegite O·mos"te·gite noun [ Omo- + Greek ... a roof.] (Zoology) The part of the carapace of a crustacean situated behind the cervical groove.

Omosternal O`mo·ster"nal adjective (Anat.) Of or pertaining to the omosternum.

Omosternum O`mo·ster"num noun [ Omo- + sternum .] (Anat.) (a) The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage. (b) In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle.

Omphacine Om"pha·cine adjective [ Greek ..., from ... an unripe grape or olive: confer French omphacin .] Of, pertaining to, or expressed from, unripe fruit; as, omphacine oil.

Omphalic Om·phal"ic adjective [ Greek ... having a boss, bossy, from ... the navel. See Navel .] (Anat.) Of or pertaining to the umbilicus, or navel.

Omphalo- Om"pha·lo- [ Greek ... the navel.] A combining form indicating connection with , or relation to , the umbilicus , or navel .

Omphalocele Om"pha·lo·cele` noun [ Greek ... the navel + ... a tumor: confer French omphalocéle .] (Medicine) A hernia at the navel.

Omphalode Om"pha·lode noun [ Omphalo- + Greek ... form.] (Botany) The central part of the hilum of a seed, through which the nutrient vessels pass into the rhaphe or the chalaza; -- called also omphalodium .

Omphalomancy Om"pha·lo·man"cy noun [ Omphalo- + -mancy .] Divination by means of a child's navel, to learn how many children the mother may have. Crabb.

Omphalomesaraic Om`pha·lo·mes`a·ra"ic adjective [ Omphalo- + mesaraic .] (Anat.) Omphalomesenteric.

Omphalomesenteric Om`pha·lo·mes`en·ter"ic adjective [ Omphalo- + mesenteric .] (Anat.) Of or pertaining to the umbilicus and mesentery; omphalomesaraic; as, the omphalomesenteric arteries and veins of a fetus.

Omphalopsychite Om`pha·lop"sy·chite noun [ Omphalo- + Greek ... breath, spirit, soul: confer French omphalopsyque .] (Eccl.Hist.) A name of the Hesychasts, from their habit of gazing upon the navel.

Omphalopter, Omphaloptic Om`pha·lop"ter, Om`pha·lop"tic noun [ Greek ... the navel + ... one who looks, ... belonging to sight: confer French omphaloptre .] An optical glass that is convex on both sides. [ Obsolete] Hutton.

Omphalos Om"pha·los noun [ Latin , from Greek ....] (Anat.) The navel.

Omphalotomy Om`pha·lot"o·my noun [ Greek ...; ... the navel + ... to cut: confer French omphalotomie .] (Surg.) The operation of dividing the navel-string.

Omy O"my adjective Mellow, as land. [ Prov.Eng.] Ray.

On On preposition [ Middle English on , an , o , a , Anglo-Saxon on , an ; akin to Dutch aan , Old Saxon & German an , Old High German ana , Icelandic ā , Swedish å, Goth. ana , Russian na , Latin an- , in anhelare to pant, Greek 'ana` , Zend ana . √195. Confer A- , 1, Ana- , Anon .] The general signification of on is situation, motion, or condition with respect to contact or support beneath ; as: -- 1. At, or in contact with, the surface or upper part of a thing, and supported by it; placed or lying in contact with the surface; as, the book lies on the table, which stands on the floor of a house on an island.

I stood on the bridge at midnight.

Longfellow. 2. To or against the surface of; -- used to indicate the motion of a thing as coming or falling to the surface of another; as, rain falls on the earth.

Whosoever shall fall on this stone shall be broken.

Matt. xxi. 44. 3. Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with; as, to play on a violin or piano. Hence, figuratively, to work on one's feelings; to make an impression on the mind. 4. At or near; adjacent to; -- indicating situation, place, or position; as, on the one hand, on the other hand; the fleet is on the American coast. 5. In addition to; besides; -- indicating multiplication or succession in a series; as, heaps on heaps; mischief on mischief; loss on loss; thought on thought. Shak. 6. Indicating dependence or reliance; with confidence in; as, to depend on a person for assistance; to rely on ; hence, indicating the ground or support of anything; as, he will promise on certain conditions; to bet on a horse. 7. At or in the time of; during; as, on Sunday we abstain from labor. See At (synonym). 8. At the time of, conveying some notion of cause or motive; as, on public occasions, the officers appear in full dress or uniform. Hence, in consequence of, or following; as, on the ratification of the treaty, the armies were disbanded. 9. Toward; for; -- indicating the object of some passion; as, have pity or compassion on him. 10. At the peril of, or for the safety of. "Hence, on thy life." Dryden. 11. By virtue of; with the pledge of; -- denoting a pledge or engagement, and put before the thing pledged; as, he affirmed or promised on his word, or on his honor. 12. To the account of; -- denoting imprecation or invocation, or coming to, falling, or resting upon; as, on us be all the blame; a curse on him.

His blood be on us and on our children.

Matt. xxvii. 25. 13. In reference or relation to; as, on our part expect punctuality; a satire on society. 14. Of. [ Obsolete] "Be not jealous on me." Shak.

Or have we eaten on the insane root
That takes the reason prisoner?

Shak. » Instances of this usage are common in our older writers, and are sometimes now heard in illiterate speech. 15. Occupied with; in the performance of; as, only three officers are on duty; on a journey. 16. In the service of; connected with; of the number of; as, he is on a newspaper; on a committee. » On and upon are in general interchangeable. In some applications upon is more euphonious, and is therefore to be preferred; but in most cases on is preferable. On a bowline . (Nautical) Same as Closehauled . -- On a wind , or On the wind (Nautical) , sailing closehauled. -- On a sudden . See under Sudden . -- On board , On draught , On fire , etc. See under Board , Draught , Fire , etc. -- On it , On't , of it. [ Obsolete or Colloq.] Shak. -- On shore , on land; to the shore. -- On the road , On the way , On the wing , etc. See under Road , Way , etc. -- On to , upon; on; to; -- sometimes written as one word, onto , and usually called a colloquialism; but it may be regarded in analogy with into .

They have added the -en plural form on to an elder plural.

Earle.

We see the strength of the new movement in the new class of ecclesiastics whom it forced on to the stage.

J. R. Green.

On On adverb [ See On , preposition ] 1. Forward, in progression; onward; -- usually with a verb of motion; as, move on ; go on . "Time glides on ." Macaulay.

The path is smooth that leadeth on to danger.

Shak. 2. Forward, in succession; as, from father to son, from the son to the grandson, and so on . 3. In continuance; without interruption or ceasing; as, sleep on , take your ease; say on ; sing on . 4. Adhering; not off; as in the phrase, "He is neither on nor off," that is, he is not steady, he is irresolute. 5. Attached to the body, as clothing or ornament, or for use. "I have boots on ." B. Gonson.

He put on righteousness as a breastplate.

Is. lix. 17. 6. In progress; proceeding; as, a game is on . » On is sometimes used as an exclamation, or a command to move or proceed, some verb being understood; as, on , comrades; that is, go on , move on . On and on , continuously; for a long time together. "Toiling on and on and on ." Longfellow.

On dit On` dit" [ French] They say, or it is said. -- noun A flying report; rumor; as, it is a mere on dit .

On-hanger On"-hang`er noun A hanger- on.

On-looker On"-look`er noun A looker- on.

On-looking On"-look`ing adjective Looking on or forward.

Onager On"a·ger noun ; plural Latin Onagri , English Onagers . [ Latin onager , onagrus , Greek ....] 1. (Rom.Antiq.) A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery. Fairholt. 2. (Zoology) A wild ass, especially the koulan.

Onagga O·nag"ga noun (Zoology) The dauw.

Onagraceous On`a·gra"ceous (ŏn`ȧ*grā"shŭs), On`a*gra*ri"e*ous (-gra*rī"e*ŭs) adjective [ From New Latin Onagra an old scientific name of the evening primrose ( Œnothera ), from Greek 'ona`gra a kind of plant; of uncertain origin.] (Botany) Pertaining to, or resembling, a natural order of plants ( Onagraceæ or Onagrarieæ ), which includes the fuchsia, the willow-herb ( Epilobium ), and the evening primrose ( Œnothera ).

Onanism O"nan·ism noun [ Onan ( Gen. xxxviii. 9 ): confer French onanisme .] Self-pollution; masturbation.

Onappo O·nap"po noun (Zoology) A nocturnal South American monkey ( Callithrix discolor ), noted for its agility; -- called also ventriloquist monkey .

Once Once noun (Zoology) The ounce.

Once Once adverb [ Middle English ones , anes , an adverbial form from one , on , an , one. See One- , -Wards .] 1. By limitation to the number one; for one time; not twice nor any number of times more than one.

Ye shall . . . go round about the city once .

Josh. vi. 3.

Trees that bear mast are fruitful but once in two years.

Bacon. 2. At some one period of time; -- used indefinitely.

My soul had once some foolish fondness for thee.

Addison.

That court which we shall once govern.

Bp. Hall. 3. At any one time; -- often nearly equivalent to ever , if ever , or whenever ; as, once kindled, it may not be quenched.

Wilt thou not be made clean? When shall it once be?

Jer. xiii. 27.

To be once in doubt
Is once to be resolved.

Shak. » Once is used as a noun when preceded by this or that ; as, this once , that once . It is also sometimes used elliptically, like an adjective, for once- existing . "The once province of Britain." J. N. Pomeroy. At once . (a) At the same point of time; immediately; without delay . "Stand not upon the order of your going, but go at once ." Shak. "I . . . withdrew at once and altogether." Jeffrey. (b) At one and the same time; simultaneously; in one body; as, they all moved at once . -- Once and again , once and once more; repeatedly. "A dove sent forth once and again , to spy." Milton.

Oncidium On·cid"i·um noun [ New Latin ] (Botany) A genus of tropical orchidaceous plants, the flower of one species of which ( O. Papilio ) resembles a butterfly.

Oncograph On"co·graph noun [ Greek ... bulk + -graph .] (Physiol.) An instrument for registering the changes observable with an oncometer.

Oncometer On·com"e·ter noun [ Greek ... bulk + -meter .] (Physiol.) An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.

Oncost On"cost` noun (Accounting) In cost accounting, expenditure which is involved in the process of manufacture or the performance of work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share. [ Brit.]

Oncotomy On·cot"o·my (ŏn"kŏt*o*mȳ) noun [ Greek 'o`gkos bulk, mass + te`mnein to cut: confer French oncotomie .] (Surg.) The opening of an abscess, or the removal of a tumor, with a cutting instrument. [ Written also onkotomy .] Dunglison.