1. in a manner relating to or involving isotopes
Usage: scientific; chemistry

Examples

• The carbon samples were isotopically analyzed to determine their age.
• The researchers found that the minerals were isotopically distinct from each other.
• Water molecules can be isotopically labeled for tracking purposes.
• The meteorite was isotopically similar to other samples from Mars.
• Scientists isotopically enriched the uranium for the experiment.
• The fossil’s composition was isotopically consistent with ancient ocean conditions.