Nouns

reticle

noun

a network of fine lines, dots, cross hairs, or wires in the...

reticulation

noun

an arrangement resembling a net or network

reticule

noun

a network of fine lines, dots, cross hairs, or wires in the...

reticulum

noun

the second compartment of the stomach of a ruminant

retinol

noun

an unsaturated alcohol that occurs in marine fish-liver oils...

retroflexion

noun

an articulatory gesture made by turning the tip of the tongu...

retrogression

noun

returning to a former state

retrorocket

noun

a small rocket engine on a larger rocket or spacecraft that...

retrospection

noun

memory for experiences that are past

retroversion

noun

returning to a former state

retsina

noun

Greek wine flavored with resin

revenuer

noun

a government agent responsible for collecting revenue (espec...

reversioner

noun

(law) a party who is entitled to an estate in reversion

revery

noun

absentminded dreaming while awake

revetment

noun

a facing (usually masonry) that supports an embankment

revisal

noun

the act of rewriting something

revivalism

noun

an attempt to reawaken the evangelical faith

revivalist

noun

a preacher of the Christian gospel

revivification

noun

bringing again into activity and prominence

rheinland

noun

a picturesque region of Germany around the Rhine river

rhenium

noun

a rare heavy polyvalent metallic element that resembles mang...

rheology

noun

the branch of physics that studies the deformation and flow...

rheometer

noun

an instrument for measuring the flow of liquids (especially...

rheostat

noun

resistor for regulating current

rhetorician

noun

a person who delivers a speech or oration

rheumatology

noun

the branch of medicine dealing with the study and treatment...

rhinencephalon

noun

a center in the cerebral hemispheres that governs the sense...

rhinorrhea

noun

persistent watery mucus discharge from the nose (as in the c...

rhinoscope

noun

medical instrument consisting of a mirror mounted at an angl...

rhinoscopy

noun

examination of the nasal passages (either through the anteri...

rhizobium

noun

the type genus of Rhizobiaceae; usually occur in the root no...

rhizoid

noun

any of various slender filaments that function as roots in m...

rhizopod

noun

protozoa characterized by a pseudopod

rhizopodan

noun

protozoa characterized by a pseudopod

rhizopus

noun

any of various rot causing fungi of the genus Rhizopus

rhizotomy

noun

surgical procedure in which spinal nerve roots are cut; done...

rhodium

noun

a white hard metallic element that is one of the platinum gr...

rhodolite

noun

a red or pink variety of garnet used as a gemstone

rhodonite

noun

a pink or red mineral consisting of crystalline manganese si...

rhodochrosite

noun

a mineral consisting of manganese carbonate; a source of man...

rhodopsin

noun

a red photopigment in the retinal rods of vertebrates; disso...

rhomb

noun

a parallelogram with four equal sides; an oblique-angled equ...

rhombohedron

noun

a parallelepiped bounded by six similar faces (either rhombu...

rhombencephalon

noun

the posterior portion of the brain including cerebellum and...

rhonchus

noun

a sound like whistling or snoring that is heard with a steth...

rhumb

noun

a line on a sphere that cuts all meridians at the same angle...

rhyolite

noun

very acid volcanic rock

rhythmicity

noun

the rhythmic property imparted by the accents and relative d...

rial

noun

the basic unit of money in Oman

riata

noun

a long noosed rope used to catch animals