The story
From iso- + -gram. The "contour line" sense was proposed in 1889 by Francis Galton.
Etymology from Wiktionary, CC BY-SA 4.0.
isogram
Today it means: A word in which no letter of the alphabet occurs more than once. Full definition →
Today it means: A word in which no letter of the alphabet occurs more than once. Full definition →
From iso- + -gram. The "contour line" sense was proposed in 1889 by Francis Galton.
Etymology from Wiktionary, CC BY-SA 4.0.