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Metaphorical extension does amazing things to cause a root meaning to radiate out in various directions, quoting the linguist Jeffrey Henning: Radiation is metaphorical extension on a grander scale, with new meanings radiating from a central semantic core to embrace many related ideas. The word head originally referred to that part of the ...


6

Energy is expendable. Power is inherent. If you say you don't have the power to do something, it usually implies you don't have the inherent ability (or authority) to do that. I don't have the power to lift this. I don't have the power to suspend you. If you say you don't have the energy to do something, it implies you can't currently, but you ...


2

When something is "lofty" it is literally "sky-high". Lofty mountain peaks. The word can be used figuratively: "lofty sentiments, lofty goals". If lofty is used literally of things that are high but not truly up among the clouds, it is exaggeration or hyperbole. We sat in the lofty seats at the stadium. Tall describes someone or something (like a ...


2

In the examples you provided, the first one is correct as the sentence is reflecting on something that could have happened, requiring it to be written in the subjunctive mood. "Did" won't work - it's associated with the past tense; something did happen. "Had done" will, and does, work - it's "reflecting" on what could have happened. Your second sentence ...


2

There are numerous references on the internet to autonomous sensors. This article at IEEE Explore defines the term 'autonomous sensor'; it treats it almost as a compound term, and defines it more precisely than one would expect for 'automatic sensor'. In particular, it at least connotes the internal regulation (acquisition and conservation) of power, in ...


1

Autonomous is normally used in relation to government. e.g. The region is autonomous i.e. it has the freedom to govern itself and control its own affairs. I have never seen it used to describe a piece of equipment I am thinking that someone must have confused it with automatic.


1

Well, there are several possible permutations and to me they are different: 1a. I would understand perfectly if the woman had done [in the past] something wrong and another woman were blaming her [/then/in the past/] but this wasn't the case. 1b. I would understand perfectly if the woman had done [in the past] something wrong and another woman were blaming ...


1

The verb refer has several meanings. One of the meanings is synonymous with the phrase make reference to. The phrase is commonly used so the reader isn't confused (as they would possibly be if refer is used). Consider: Tom referred to a book Tom made reference to a book The second sentence unambiguously implies Tom alluded to the book, while the first ...


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In physics, energy is the ability to do work (or the work done), while power is rate of energy output. So if I push a boulder up a hill, I expend the same amount of energy regardless of how long it takes me. However, doing it in a shorter time period requires more power. I know you're probably not concerned with this technical distinction. But it is good ...


1

The verb to license (noun licence) means to authorise, or to grant permission. So, after passing a test of competence to drive, one is licensed to drive a motor vehicle and given a printed driving licence. To register means to enter something on an official list. All motor vehicles in the UK have to be registered with the Driver and Vehicle Licensing ...



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