What does "subspace" mean?
A subset of a space which is a space in its own right.
Subspace
/ˈsʌb.speɪs/ noun
noun ·Rare ·Advanced level
Meaning at a glance
- Primary sense: A subset of a space which is a space in its own right.
- Grammar: subspace is listed as noun.
- Nearest alternatives: hyperspace, induced subspace, linear algebra concept, linear subspace.
- Useful contrasts: noninvariant subspace, not a subspace, whole space.
- Usage evidence: Find the dimension of this subspace.
How to use "subspace"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "subspace" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "subspace" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "subspace" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "subspace" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
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- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "subspace" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "hyperspace" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
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Final meaning check
Before publishing a sentence with "subspace", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 A subset of a space which is a space in its own right. countable
- 2 The psychological state of the submissive or bottom during sadomasochistic activity. countable, uncountable
"My problem, though, is that when he whips me, I resist going into subspace. He has to whip me for fifteen or twenty minutes before I even begin to feel any psychological effects."
- 3 a space that is contained within another space wordnet
- 4 Any (often unspecified) method of communicating or travelling faster than light speed. uncountable
"“If he reconfigures the subspace relays and uploads his own code into them, he'll have access to the computers on every planet, ship, and station.” “Alarming. He could vent oxygen, crash vessels, or even detonate warp cores.” “Everyone in the quadrant's gonna die, and it's all my fault.” “Parents are not directly responsible for the actions of their children.”"
- 5 An alternative dimension or universe, access to or use of which permits faster-than-light travel or communications; hyperspace. uncountable
Synonyms
All synonymsAntonyms
noninvariant subspacenot a subspacewhole space
Example
"Find the dimension of this subspace."
Common questions
What is a synonym for "subspace"?
Common synonyms include: hyperspace, induced subspace, linear algebra concept, linear subspace, stable subspace, topological subset.
How do you use "subspace" in a sentence?
Find the dimension of this subspace.
How do you pronounce "subspace"?
Pronounced /ˈsʌb.speɪs/.
Etymology
Etymology 1
From sub- + space.
Etymology 2
From sub (“submissive”) + space (“state of mind”).