Complementary
Part of speech: adjective
Definition: acting as a complement of the specific pairings of the bases in DNA and RNA
Example sentence: Electricity is an example of a general purpose technology, like the steam engine before it. General purpose technologies drive most economic growth, because they unleash cascades of complementary innovations, like lightbulbs and, yes, factory redesign.
Complemental
Part of speech: adjective
Definition: Of the nature of a complement; completing.Complementary.Additional; supplemental, accessory; ancillary.Of the nature of a ceremony that is not essential but accessory; ceremonial; ceremonious; formal.Of persons: accomplished; talented; experienced.Complimental.Complemental angle: an angle which when added to another angle makes a right angleComplemental air: extra air which may be drawn into the lungs over and above that which fills the lungs during an ordinary inspiration.Complemental male: Charles Darwin's name for a small rudimentary male which is parasitic on the hermaphrodite or female in certain species of Cirripedia.