chronogram (plural chronograms)
- A sentence or inscription whose letters, when interpreted according to a system (such as Roman numerals) in which letters correspond to numeric values, stand for a particular date (usually the date of inscription) when rearranged.
- (genetics) A phylogenetic tree that has branch spans proportional to evolutionary time.
- Coordinate term: phylogram
a sentence or inscription in which specific letters, interpreted as numerals, stand for a particular date when rearranged