stretch reflex reflex contraction of a muscle when an attached tendon is pulled; important in maintaining erect posture
streamline flow flow of a gas or liquid in which the velocity at any point is relatively steady
startle reflex a normal reflex of young infants
detrimental causing harm or injury
streamer fly an artificial fly that has wings extending back beyond the crook of the fishhook
Strymon melinus larvae are pests of various economic plants
streaming the circulation of cytoplasm within a cell
radiant flux the rate of flow of radiant energy (electromagnetic waves)
instrument flying navigation of an airplane solely by instruments
bastard toadflax woody creeping parasite of western North America having numerous thick powdery leaves and panicles of small dull-white flowers
tremendous extraordinarily large in extent or amount or power
state of flux a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action
stream orchid orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf
storm window a window outside an ordinary window to protect against severe weather or winter
star magnolia deciduous shrubby magnolia from Japan having fragrant white starlike flowers blooming before leaves unfold; grown as an ornamental in United States
streamlet a small stream
streamline contour economically or efficiently
neutron flux the rate of flow of neutrons
tremendously extremely
streamlined made efficient by stripping off nonessentials