a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it; "the clarinetist fitted a new reed onto his mouthpiece"
United States physician who proved that yellow fever is transmitted by mosquitoes (1851-1902)
United States journalist who reported on the October Revolution from Petrograd in 1917; founded the Communist Labor Party in America in 1919; is buried in the Kremlin in Moscow (1887-1920)
tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites
impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch"
an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
perennial Eurasian herb with reddish bell-shaped flowers and shining black berries; extensively grown in United States; roots and leaves yield atropine
the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart"
edible seeds of various pod-bearing plants (peas or beans or lentils etc.)
the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses; "pulse waves"; "a transmitter pulsed by an electronic tube"
drive by or as if by pulsation; "A soft breeze pulsed the air"