13-Letter Words Containing: _,C,E,N,O,R,R,Y

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• red pigment in red algae

• Any therapy based on the circadian rhythm or other cyclical schedule.

• an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative

• (botany) the development of a fruit without fertilization or seeds

• small to medium-sized finches of the Hawaiian islands

• small bright-colored tropical American songbird with a curved bill for sucking nectar