micro chip vs DNA chip

micro chip and DNA chip both are nouns.

Word	Noun	Adjective	Verb	Adverb
micro chip	Yes	No	No	No
DNA chip	Yes	No	No	No

As nouns, DNA chip is a hyponym of micro chip; that is, DNA chip is a word with a more specific, narrower meaning than micro chip:

micro chip: electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
DNA chip: a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested

Other hyponyms of micro chip include biochip, gene chip, memory chip, microprocessor.

micro chip (noun)	DNA chip (noun)
electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit	a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested