ovu 



298 



OXY 



to certain animals which retain 

 their eggs within their bodies 

 until they are hatched. 



ovule, n., ov'ul, also ovulum, n., 

 dv'ul'tim, ovula, n. plu., ov'ul'Ci 

 (dim. of L. ovum, an egg), in bot., 

 the young seed contained in the 

 ovary ; the body borne by the 

 placenta of a plant, which gradu- 

 ally changes into a seed ; ovula, 

 in anat., certain serous vesicles 

 found in the structure of the 

 ovarium. 



ovum, n., ov'tim (L. ovum, an 

 egg), the germ produced within 

 the ovary, capable, under certain 

 conditions, of being developed 

 into a new individual ; one of the 

 small cellular bodies in the ovary 

 which, after impregnation, is 

 developed into the future em- 

 bryo. 



oxalate, n., tiks'^al-at (L. oxdlis, a 

 kind of sorrel), in chem., a salt 

 of oxalic acid : oxalic, a., 8ks-dl' 

 %k, pert, to sorrel, or procured 

 from it : oxalic acid, a dry, 

 poisonous acid, chiefly manufac- 

 tured from wood sawdust. 



Oxalidacese, n. plu., oks'al-id-a'- 

 s&e (L. oxdlis, a kind of sorrel 

 from Gr. oxus, sour, acid), the 

 Wood-sorrel family, an Order of 

 plants often acid in their proper- 

 ties ; some have large, tuberous, 

 edible roots; some bear grateful 

 fruit ; while the leaves of others 

 are highly sensitive, which last 

 include sensitive plants : Oxalis, 

 n., dks'dl-ts, a genus of plants of 

 numerous species, well worthy of 

 cultivation : Oxalis acetosella, 

 as'-et'O-sZl'la (dim. of mod. L. 

 acetosa, the sorrel or sour-dock 

 from L. acetum, vinegar), common 

 wood-sorrel, so named from its 

 acid taste, contains binoxalate of 

 potash, often called salt of sorrel ; 

 the plant has been used as a 

 refrigerant and antiscorbutic : 0. 

 sensitiva, sZns'-it-w'-a (L. sensit- 

 ivus, discerned by the senses 

 from, sentiti, I discern by the 



senses), a species which has 

 sensitive leaves : 0. crenata, 

 kren-dtf-d (L. crendtus, notched - 

 from crend, a notch) ; 0. esculenta, 

 Zsk'-ul-Znt'-a (L. esculentus, fit for 

 food from sca, food); and 0. 

 Deppei, d&p'pt-l (mod. L. Dep- 

 pel of DeppZus), are species 

 which yield tubers, used as a 

 substitute for potatoes. 



Oxycoccus, n., dlsafcMKkfa (Gr. 

 oxus, sour, acid ; kokkos, a berry), 

 a genus of plants, Ord. Vaccinia- 

 cese, which include the cranberry : 

 Oxycoccus palustris, pdl-ust'ris 

 (L.palustris, marshy fromptilus, 

 a marsh), the common cranberry, 

 a native plant, producing crimson 

 acid berries : 0. macrocarpus, 

 md&rd-kdrp''&8 (Gr. makros, 

 great ; karpos, fruit), the American 

 cranberry, which bears larger 

 berries. 



oxyde, or oxide, n., tiks'id (Gr. 

 oxus, sour, acid ; oxos, vinegar), 

 a compound of oxygen without 

 the properties of an acid, as the 

 rust of iron : oxidise, v^oks'id-iz, 

 to convert into an oxide also in 

 same sense oxygenise, v., tiksf-fa 

 j8n-iz' : oxydation, n., dks'id-a'- 

 shun, the operation or process of 

 converting a body into an oxide : 

 oxygen, n. , oks'-i-jen (Gr. genn&o, 

 I generate or produce), that 

 elementary gaseous body which 

 gives to air its power of support- 

 ing respiration and combustion, 

 and which by its union with 

 hydrogen forms water ; a colour- 

 less, tasteless, and inodorous gas, 

 which exists in the atmosphere 

 in the proportion of twenty-one 

 parts, to seventy- nine of nitrogen, 

 by measure. 



oxymel, n., tifatt'mSl (Gr. oxus, 

 sour, acid ; meli, honey), a mix- 

 ture of vinegar and honey. 



oxytocic, a., tf&s'ft &?& (Gr. oxus, 

 sharp ; tdkfo, childbirth), pro- 

 moting delivery: n., an agent 

 which promotes delivery. 



Oxyuris vermicularis, oks'i'iir'is 



