unicellular alga (Protococcus nivalis) which produces large patches of scarlet on the snows of arctic
or mountainous regions. — Red softening (Med.) a form of cerebral softening in which the affected
parts are red, — a condition due either to infarction or inflammation. — Red spider (Zoöl.), a very
small web-spinning mite (Tetranychus telarius) which infests, and often destroys, plants of various kinds,
especially those cultivated in houses and conservatories. It feeds mostly on the under side of the leaves,
and causes them to turn yellow and die. The adult insects are usually pale red. Called also red mite.
— Red squirrel (Zoöl.), the chickaree. — Red tape, the tape used in public offices for tying up documents,
etc.; hence, official formality and delay. — Red underwing (Zoöl.), any species of noctuid moths belonging
to Catacola and allied genera. The numerous species are mostly large and handsomely colored. The
under wings are commonly banded with bright red or orange. — Red water, a disease in cattle, so
called from an appearance like blood in the urine.
Red
(Red) n.
1. The color of blood, or of that part of the spectrum farthest from violet, or a tint resembling these.
"Celestial rosy red, love's proper hue." Milton.
2. A red pigment.
3. (European Politics) An abbreviation for Red Republican. See under Red, a. [Cant]
4. pl. (Med.) The menses. Dunglison.
English red, a pigment prepared by the Dutch, similar to Indian red. — Hypericum red, a red resinous
dyestuff extracted from Hypericum. — Indian red. See under Indian, and Almagra.
