Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A word in which no letter of the alphabet occurs more than once.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A line on a map or chart, such as a contour line, joining points that have the same value for some quantity.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: isoline, isopleth, isarithm
Antonyms: none provided
noun
a line drawn on a map connecting points having the same numerical value of some variable
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: isopleth, isarithm
Antonyms: none provided
Broader terms: line
Narrower terms: isobar, isochrone, isoclinic line, isoclinal, isohel, isotherm
History
From iso- + -gram. The "contour line" sense was proposed in 1889 by Francis Galton.
