index fossil
index fossil
nounDefinition of INDEX FOSSIL
: a fossil usually with a narrow time range and wide spatial distribution that is used in the identification of related geologic formations
See First Known Use of INDEX FOSSIL
1900
Learn More About INDEX FOSSIL
Browse
Next Word in the Dictionary: index fund
Previous Word in the Dictionary: index forest
All Words Near: index fossil
Previous Word in the Dictionary: index forest
All Words Near: index fossil
Seen & Heard 
What made you want to look up index fossil? Please tell us where you read or heard it (including the quote, if possible).
