Definition 2.5. A function is onto if each element of the codomain has at least one element of the domain assigned to it. In other words, a function is onto if the range equals the codomain.
Source: wiktionary
Codomain
/ˌkoʊ.doʊˈmeɪn/
Synonyms for "codomain" (1 found)
Ranked by relevance and common usage.
Closest matches (1)
Noun(1 words)
Choosing the right synonym
- Closest matches in this entry: range.
- Sentence evidence is available for codomain, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from wiktionary.
Synonym selection checklist
- Match the part of speech before comparing meanings.
- Check whether the synonym changes intensity, formality, or emotional tone.
- Read the replacement inside the full sentence, not just beside "codomain".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "codomain"
Keep "codomain" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Replacement workflow
1. Preserve meaning
Choose a synonym only if it keeps the core idea of "codomain" intact in the sentence you are editing.
2. Tune tone
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
3. Re-read context
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
Final fit check
After choosing a replacement for "codomain", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "codomain" or choose a simpler alternative from the closest-match group.
Translations
11 translations across 9 languages.
Czech
1 entries- obor hodnot noun (target set of a function)
Danish
1 entries- dispositionsmængde noun (target set of a function)
German
1 entries- Zielmenge noun (target set of a function)
Icelandic
3 entries- aðmengi noun (target set of a function)
- bakmengi noun (target set of a function)
- ítak noun (target set of a function)
Japanese
1 entries- 終域 noun (target set of a function)
Polish
1 entries- przeciwdziedzina noun (target set of a function)
Portuguese
1 entries- contradomínio noun (target set of a function)
Russian
1 entries- область значений noun (target set of a function)
Swedish
1 entries- målmängd noun (target set of a function)
Sample sentences
3 total sentences available.
Once we have described f as a function from A to B, by convention we will call B the codomain, even though other sets, of which B is a subset, could have been used.[…]If y is an element of the codomain, then y#92;in#92;mathit#123;Img#125;(f,A) iff there is some x in the domain such that f maps x to y.
Source: wiktionary
For example, the codomain of g(X)#61;X³ consists of all real numbers. A function links each element in its domain to some element in its codomain. Each domain element is linked to exactly one codomain element.
Source: wiktionary
Common questions
What are the closest synonyms for "codomain"?
Closest matches include range.
How should I check whether a synonym fits "codomain"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.