rivose (rivos)

[ The filaments are radiately arranged, agglutinated by a more or le firm mucilage, and unitedly forming hemispherical or bladdery well-defined forms; the heterocysts are basal. They occur in both running and standing fresh water- R. fluitans, for example, forming a blue-green scum on stagnant pools; and there are a few species in brackish or salt water. Rivulariaceæ (riv-ū-lā-ri-ā'sē-ē), n. pl. [NL., [Verbal n. of rivel , v.] 1. riving (rī'ving), n. The act of cleaving or separating.-2. Refuse of corn. Hall i well. [Prov. Eng.] riving-knife (rī'ving-nif), n. A tool for splitting shingles, staves, etc.: same as frow4 . riving-machine (rī'ving-ma-shēn"), n . A ma chine for splitting wood with the grain to make hoops, staves, splints, shingles, etc. Rivinian (ri-vin'i-an), a. [ rivot (rī'vō), interj. [Of obscure origin; by some supposed to be an imitation (with parasitic r) of L. evoe (= Gr. εὐοῖ ), a shout in the festival of Bacchus.] An exclamation in drinking bouts. Rivo ! says the drunkard, Shak ., 1 Hen. IV., ii. 4. 124. Rivularieæ (riv"ū-lā-ri'ē-ē), n. pl. [NL., with dim. suffix- et, It. rivo, rio = Sp. Pg. rio, a river); akin to Skt. ri, run, ooze, flow. Hence ( ult. E. er2).] let. Some clear rivolet on land. Times ' Whistle (E. E. T. S.), p. 116. By fountain or by shady rivulet He sought them. Milton , P. L., ix. 420. 2. In entom.: ( a ) One of certain geometrid moths of the genus Emmelesia or Cidaria: a collectors' name in England. The small rivulet is E. or C. alche millata; the gra -rivulet is E. or C. albulata; the heath rivulet is E. eric etat a; and the single-barred rivulet is E. or C. uni fasci at a. (b) A narrow and more or le tortuous colored band on a transparent wing: a translation of the Latin rivulis, so used in Loew's monographs of the Diptera. rivulet-tree (riv'u-let-trē), n. A low evergreen euphorbiaceous shrub, Phyllanthus australis, of Australia and Tasmania. rivulose (riv'ū-lōs), a. [ To reign. Saxon [ rixari, pp. rixatus, brawl, quarrel (> It. ri are, scold, quarrel), It. ri a = Sp. rija = Pg. reixa, rixa = F. rixe ), a quarrel.] A brawl or quarrel. Bailey, 1731. [Rare.]