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   Fret

   /fret/

   

   verb

   • 1. be constantly or visibly worried or anxious: "she fretted about the cost of groceries" Similar worrybe anxiousfeel uneasybe distressedbe upsetupset oneselfconcern oneselffeel unhappyagonizeanguishsorrowsighpinebroodmopefussmake a fusscomplaingrumblewhineeat one's heart outinformal:stewfeel peeved
   • ▪ cause (someone) worry or distress: "his absence during her times awake began to fret her" Similar troublebotherconcernperturbdisturbdisquietdisconcertmake anxiouscause anxietydistressupsettormentalarmpaniccause to panicagitateinformal:rattleeat away atarchaic:potherOpposite comfort
   • 2. gradually wear away (something) by rubbing or gnawing: "the bay's black waves fret the seafront"
   • ▪ form (a channel or passage) by rubbing or wearing away: "what shape the sea has fretted into the land"
   • 3. flow or move in small waves: "soft clay that fretted between his toes"

   noun

   • 1. a state of anxiety or worry: British "why would anyone get themselves in a fret over something so simple?"

   Word Origin Old Englishfretan ‘devour, consume’, of Germanic origin; related to Dutch vreten and German fressen, and ultimately to for- and eat.

   Scrabble Points: 7

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2. People also ask

   What does fret stand for?

   • Fluorescence Resonance Energy Transfer Fluorescence (or Förster) resonance energy transfer (FRET)is used to moni - tor interactions between proteins (Figure 7.8A).

   Guide to Research Techniques - zu.edu.jo

   zu.edu.jo/UploadFile/Library/E_Books/Files/LibraryFile_91258_7.pdf

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   How does fret work?

   • The fundamental mechanism of FRET involves a donor fluorophore in an excited electronic state, which is capable of transferring its excitation energy to a nearby acceptor fluorophore (or chromophore) in a non-radiative fashion through long-range, dipole-dipole interactions.

   ZEISS Microscopy Online Campus | FRET Microscopy with Spectral Imagi…

   zeiss-campus.magnet.fsu.edu/articles/spectralimaging/spectralfret.html

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   What are the limitations of fret?

   • FRET is an intensity-based measurement that can have limiting conditions and many possible artifacts including photobleaching, signal cross-contamination, differences in FRET pair concentrations and their degree of labeling, and variations in the intensity and duration of excitation.

   Fluorescence Resonance Energy Transfer - an overview

   www.sciencedirect.com/topics/medicine-and-dentistry/fluorescence-resonance-energy-transfer

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3. www.oxfordlearnersdictionaries.com › us › definitionfret verb - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of fret verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

4. www.dictionary.com › browse › fretFRET Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › fret

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   Fret definition: to feel or express worry, annoyance, discontent, or the like. See examples of FRET used in a sentence.

5. dictionary.cambridge.org › learner-english › fretfret | definition in the Cambridge Learner’s Dictionary

   dictionary.cambridge.org › learner-english › fret

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   Definition of fret – Learner’s Dictionary. fret. verb [ I ] uk/fret/uspresent participlefretting | past tense and past participlefretted. to be anxious or worried: There's no point in fretting about what you cannot change.

6. dictionary.cambridge.org › learner-english › fretFRET | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › learner-english › fret

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   FRET definition: 1. to be anxious or worried: 2. anxious and unhappy. Learn more.

7. www.dictionary.com › browse › frets&FRET Definition & Usage Examples | Dictionary.com

   www.dictionary.com › browse › frets&

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   Fret definition: to feel or express worry, annoyance, discontent, or the like. See examples of FRET used in a sentence.

8. dictionary.cambridge.org › dictionary › englishFRET | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   FRET definition: 1. to be nervous or worried: 2. any of the small raised metal bars across the long, thin part of a…. Learn more.

9. www.wordreference.com › definition › fretfret - WordReference.com Dictionary of English

   www.wordreference.com › definition › fret

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   to move in agitation or commotion, as water: water fretting over the stones of a brook. v.t. to torment; irritate, annoy, or vex: You mustn't fret yourself about that. Geography to wear away or consume by gnawing, friction, rust, corrosives, etc.: the ocean fretting its shores.