The story
From spacer + oligonucleotide + typing.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A DNA-based genotyping technique that identifies patterns of unique short DNA sequences (spacers) located between direct repeats in the Mycobacterium tuberculosis genome by using complementary oligonucleotide probes. Full definition →
From spacer + oligonucleotide + typing.
Etymology from Wiktionary, CC BY-SA 4.0.