quatercentennial
[ kwot-er-sen-ten-ee-uh l ]
/ ˌkwɒt ər sɛnˈtɛn i əl /
adjective
pertaining to or marking a period of 400 years.
Origin of quatercentennial
1960–65; < Latin
quater four times +
centennial
Words nearby quatercentennial
quassia,
quassia family,
quat.,
quater,
quatercentenary,
quatercentennial,
quaternary,
quaternary ammonium compound,
quaternary structure,
quaternate,
quaternion