different between crumb vs molecule

English

Alternative forms

• crimb (dialectal)

Etymology

From Middle English crome, cromme, crumme, crume, from Old English cruma (“crumb, fragment”), from Proto-Germanic *krumô, *kr?mô (“fragment, crumb”), from Proto-Indo-European *gr?-mo- (“something scraped together, lumber, junk; to claw, scratch”), from *ger- (“to turn, bend, twist, wind”). The b is excrescent, as in limb and climb, appearing in the mid 15th century to match crumble and words like dumb, numb, thumb. Cognate with Dutch kruim (“crumb”), Low German Krome, Krume (“crumb”), German Krume (“crumb”), Danish krumme (“crumb”), Swedish dialectal krumma (“crumb”), Swedish inkråm (“crumbs, giblets”), Icelandic krumur (“crumb”), Latin gr?mus (“a little heap”).

Pronunciation

• IPA^(key): /k??m/
• Rhymes: -?m

Noun

crumb (countable and uncountable, plural crumbs)

1. A small piece which breaks off from baked food (such as cake, biscuit or bread).

   • desiring to be fed with the crumbs which fell from the rich man's table

   • At twilight in the summer there is never anybody to fear—man, woman, or cat—in the chambers and at that hour the mice come out. They do not eat parchment or foolscap or red tape, but they eat the luncheon crumbs.

2. A small piece of other material, such as rubber.
   • 2012, Caroline Joy Adams, An Italic Calligraphy Handbook (page 79)

     Then erase any pencil lines with a good, soft eraser, rubbing gently, in only one direction. A dustbrush can be useful in removing any eraser crumbs.

3. (figuratively) A bit, small amount.

4. The soft internal portion of bread, surrounded by crust.
   • 1861, Thomas Hughes, Tom Brown at Oxford

     Dust unto dust, what must be, must; / If you can't get crumb, you'd best eat crust.

5. A mixture of sugar, cocoa and milk, used to make industrial chocolate.
6. (slang) A nobody; a worthless person.
   • 1999, Phyllis Reynolds Naylor, Alice on the Outside (page 146)

     All Dad can think of is a gift certificate from the Melody Inn? And my crumb of a boyfriend doesn't even show up? This is a birthday?

7. (slang) A body louse (Pediculus humanus).

Synonyms

• (crumbled food): crumbling
• (small amount): see also Thesaurus:modicum.

Derived terms

Related terms

• crumble
• crumpet
• crumbum

Translations

Verb

crumb (third-person singular simple present crumbs, present participle crumbing, simple past and past participle crumbed)

1. (transitive) To cover with crumbs.
2. (transitive) To break into crumbs or small pieces with the fingers; to crumble.

   to crumb bread

Derived terms

• crumbed

Related terms

• crumple

Translations

English

Etymology

Summary: from French molécule, from New Latin molecula (“a molecule”), diminutive of Latin moles (“a mass”); see mole + -cule.

French molécule (1674, Pierre Le Gallois, Conversations tirées de l'Académie de M. l'abbé Bourdelot, contenant diverses recherches et observations physiques) cited in Quemada, Bernard (1965), Datations et documents lexicographiques (tome 3).

Medieval Latin molecula (early XVII cent., Pierre Gassendi), cited in Le Grand Robert de la Langue Française (2e édn) tome 6. ?ISBN. pp. 522–23. Diminutive of moles

Pronunciation

• (Received Pronunciation) IPA^(key): /?m?l?kju?l/
• (General American) IPA^(key): /?m?l?kjul/
• Hyphenation: mol?e?cule

Noun

molecule (plural molecules or moleculae or moleculæ)

1. (chemistry) The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.
2. A tiny amount.

Synonyms

• See also Thesaurus:molecule
• (small amount): see also Thesaurus:modicum.

Hyponyms

• macromolecule

Meronyms

• atom

Related terms

• molecular

Translations

Dutch

Pronunciation

• IPA^(key): /?mo?.l??ky.l?/
• Hyphenation: mo?le?cu?le

Noun

molecule n or f or m (plural moleculen or molecules, diminutive moleculetje n)

1. Alternative form of molecuul.

Friulian

Noun

molecule f (plural moleculis)

1. molecule