I can't think of a single word, except maybe hours. People talk about the hours they worked on something. "How many hours do you have in this week?"

I saw that one time-tracking site called time spent on a task "active time," and another called it "tasktime" (one word, but coined, I think). In an office setting, it could also be called "billable time" or "billable hours."

Answer from JLG on Stack Exchange
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Collins Dictionary
collinsdictionary.com › dictionary › english › spend-time
SPEND TIME definition and meaning | Collins English Dictionary
You are smarter about love and spending time on your own interests gives a relationship the breathing space it needs.
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CMU
opi.cs.cmu.edu › show › time_spent
InfoType: time spent
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People also ask

What is the difference between "spent some time" and "took some time"?
"Spent some time" implies using time for a specific purpose or activity, whereas "took some time" simply means that some amount of time elapsed or was required, without necessarily implying focused activity.
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ludwig.guru
ludwig.guru › home › search results › rewrite results › grammar check results › translate results › detect results
spent some time | Meaning, Grammar Guide & Usage Examples
Is it correct to say "I spend some time" instead of "I spent some time"?
"I spend some time" implies a habitual or ongoing action, while "I "spent some time"" refers to a completed action in the past. Choose the tense that accurately reflects the timing of the action.
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ludwig.guru
ludwig.guru › home › search results › rewrite results › grammar check results › translate results › detect results
spent some time | Meaning, Grammar Guide & Usage Examples
How can I use "spent some time" in a sentence?
You can use "spent some time" to describe dedicating time to an activity. For example, "I "spent some time" reading a book" or "She "spent some time" working on the project".
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ludwig.guru
ludwig.guru › home › search results › rewrite results › grammar check results › translate results › detect results
spent some time | Meaning, Grammar Guide & Usage Examples
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Law Insider
lawinsider.com › dictionary › time-spent
time spent Definition | Law Insider
July 6, 2025 - time spent is defined as hours worked in a Bargaining Unit position. Upon conversion into a Full‐Time or Part‐Time position, a Per Diem optometrist’s Bargaining Unit Seniority is calculated based on hours worked to determine the adjusted ...
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Wiktionary
en.wiktionary.org › wiki › spend_time
spend time - Wiktionary, the free dictionary
Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame.
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Longman
ldoceonline.com › dictionary › spend
spend | meaning of spend in Longman Dictionary of Contemporary English | LDOCE
✗Don’t say: I don’t spend much for clothes. 2 time [transitive]SPEND TIME to use time doing a particular thing or pass time in a particular placespend time etc with somebody I want to spend more time with my family.spend time etc in/at something We’ll have to spend the night in a hotel.
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Cambridge Dictionary
dictionary.cambridge.org › dictionary › english › spend
SPEND | English meaning - Cambridge Dictionary
We would spend every meal time entreating the child to eat her vegetables. ... For the past month he's been spending all his energy trying to find a job. They continued firing until all their ammunition was spent (= there was none of it left).
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Plain English
plainenglish.com › home › expressions › spend time
Spend time | How to use it in English | Learn English expressions
November 21, 2024 - To 'spend time' is to dedicate time to a purpose. Think of it like "spending" money out of a budget. You have a limited amount of time, so you decide how to spend it, or how to dedicate your time.
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Ludwig
ludwig.guru › home › search results › rewrite results › grammar check results › translate results › detect results
spent some time | Meaning, Grammar Guide & Usage Examples
"Spent some time" implies using time for a specific purpose or activity, whereas "took some time" simply means that some amount of time elapsed or was required, without necessarily implying focused activity.
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Edgenuity
help.imagineedgenuity.com › hc › en-us › articles › 360042595194-Time-Spent-Definition
Time Spent (Definition) – Edgenuity
Amount of time the student took to take the assessment or complete an activity. Frequently asked questions What does it mean if the time shown for Time Spent on the Assessment Overview does not m...
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Reverso
dictionary.reverso.net › english-definition › spend+time
SPEND TIME - Definition & Meaning - Reverso English Dictionary
Spend time definition: use time for a particular purpose or activity. Check meanings, examples, usage tips, pronunciation, domains, related words.
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Thesaurus.com
thesaurus.com › browse › spend-time
49 Synonyms & Antonyms for SPEND TIME | Thesaurus.com
abide, affect, dally, frequent, glom, hang about, hang out, haunt, linger, live, loiter, reside, resort, roam, swell, tarry, waste time
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Fiveable
library.fiveable.me › all key terms › ap psychology › time spent
Time Spent - (AP Psychology) - Vocab, Definition, Explanations | Fiveable | Fiveable
In psychology, 'time spent' refers to the duration one dedicates towards a particular activity or task, such as studying or rehearsing. It's believed that more time spent can lead to better understanding and retention of information.
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Oxford Learner's Dictionaries
oxfordlearnersdictionaries.com › us › definition › english › spend_1
spend verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com
This jacket cost me £150, which I consider money well spent.Topics Shoppinga1, Moneya1 ... Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app. [transitive] to use time for a particular purpose; to pass time
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Quora
quora.com › Do-they-have-different-meanings-spend-time-and-spend-a-time
Do they have different meanings, 'spend time' and 'spend a time'? - Quora
Answer (1 of 2): To "spend time" is an idiom. Time doesn't have an article in front of it because it's a collective noun. And because it's an idiom, you shouldn't put something in the middle of it either, unless that something is a quantifier like "some," "any," "more," "a lot of," or "the most."...
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Merriam-Webster
merriam-webster.com › dictionary › spent
SPENT Definition & Meaning - Merriam-Webster
The meaning of SPENT is used up : consumed. How to use spent in a sentence.
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Ludwig
ludwig.guru › s › having+spent+time
having spent time | Meaning, Grammar Guide & Usage Examples | Ludwig.guru
The phrase "having spent time" ... phrase, providing background information or context by indicating a completed action before the main action of the sentence. This is supported by Ludwig examples where the phrase sets the stage for a subsequent event or state. ... In summary, "having spent time" is a versatile participle phrase used to provide context by indicating a completed action or experience before the main action of the sentence...
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Ludwig
ludwig.guru › s › have+spent+time
have spent time | Meaning, Grammar Guide & Usage Examples | Ludwig.guru
In summary, the phrase "have spent time" is a grammatically sound and very common way to describe the allocation of time to specific activities. As Ludwig AI points out, it’s suitable for various contexts, ranging from news reports and scientific articles to everyday conversations.