REDIA n.
ind of larva, or nurse, which is prroduced within the sporocyst of certain trematodes by asexual generation. It in turn produces, in the same way, either another generation of rediæ, or else cercariæ within its own body. Called also proscolex, and nurse. See Illustration in Appendix.
REFLECTING a.
cting mind. Reflecting circle, an astronomical instrument for measuring angless, like the sextant or Hadley's quadrant, by the reflection of light from two plane mirrors which it carries, and differing from the sextant chiefly in having an entire circle. -- Reflecting galvanometer, a galvanometer in which the deflecti…
ROMAN CALENDAR n.
d to have consisted originally of ten months, Martius, Aprilis, Maius, Junius, Quintilis, Sextilis, September, October, November, and December, having a total of 304 days. Numa added two months, Januarius at the beginning of the year, and Februarius at the end, making in all 355 days. He also ordered an intercalary mon…
RUFF n.
A muslin or linen collar plaited, crimped, or fluted, worn formerly by both sexes, now only by women and children. Here to-morrow with his best ruff on. Shak. His gravity is much lessened since the late proclamation came out against ruffs; . . . they were come to that height of excess herein, that twenty shillings were…