a) the thin wire inside a light bulb that emits light when heated to incandescence by an electric current
b) to rotate or cause to rotate rapidly, as on an axis
c) a metal cap fitting onto the hub of a wheel, especially a stainless steel or chromium-plated one
d) hard to detect
e) any of a group of elementary particles, such as a photon or pion, that has zero or integral spin and obeys the rules of Bose Einstein statistics
f) to discover the existence or presence of (esp something likely to elude observation)
g) stuff known to make up perhaps 90% of the mass of the universe, but not detectable by its absorption or emission of electromagnetic radiation
h) to draw out or extend or be drawn out or extended in length, area, etc.
i) noise, bustle
j) an aggregation of stars or galaxies moving together through space
Match the following words in A with the words of the similar meaning in B.