The story
From sub- + femtotesla.
Etymology from Wiktionary, CC BY-SA 4.0.
subfemtotesla
Today it means: Having a magnetic flux density of less than 10⁻¹⁵ teslas Full definition →
Today it means: Having a magnetic flux density of less than 10⁻¹⁵ teslas Full definition →
From sub- + femtotesla.
Etymology from Wiktionary, CC BY-SA 4.0.