different between chemical vs bleaching

English

Etymology

chemic (“alchemy”) +? -al (“related to”)

Pronunciation

• enPR: k?m'?k-?l, IPA^(key): /?k?m?k?l/
• Rhymes: -?m?k?l

Adjective

chemical (not comparable)

1. Of or relating to chemistry.

2. Of or relating to a material or processes not commonly found in nature or in a particular product.
3. (obsolete) Of or relating to alchemy.

Derived terms

• technochemical

Translations

Further reading

• Chemistry on Wikipedia.Wikipedia

Noun

chemical (plural chemicals)

1. (chemistry, sciences) Any specific chemical element or chemical compound or alloy.

2. (colloquial) An artificial chemical compound.

3. (slang) An addictive drug.

Usage notes

• The noun is frequently used in a slang and more specific non-technical way (2nd and 3rd definition) by the general public. Chemists and those who understand chemistry may gravitate toward the first, but the term "substance" is preferred usage.

Derived terms

Translations

Related terms

• alchemical
• chemist
• chemistry

See also

• molecule
• reagent

Anagrams

• Michalec, alchemic

English

Pronunciation

• IPA^(key): /?bli?t???/
• Rhymes: -i?t???

Verb

bleaching

1. present participle of bleach

Noun

bleaching (plural bleachings)

1. The process of removing stains or of whitening fabrics, especially by the use of chemical agents.
2. The loss or removal of part of the (semantic, grammatical, etc) content or a word or morpheme.

   Coordinate term: desemanticization

   • 2000, Frederick J. Newmeyer, Language Form and Language Function, MIT Press (?ISBN), page 249:

     Grammaticalization is often associated with 'semantic bleaching', and this 'bleaching' is the result of reanalysis […] But there is no evidence that the bleaching of the meaning of do played any role in the causation of this sequence of events.

   • 2009, Vit Bubenik, John Hewson, Sarah Rose, Grammatical Change in Indo-European Languages: Papers presented at the workshop on Indo-European Linguistics at the XVIIIth International Conference on Historical Linguistics, Montreal, 2007, John Benjamins Publishing (?ISBN), page 165:

     In the development of the prepositional phrase, which did not exist in PIE, one can see a grammaticalization based on a double bleaching. […] Many of these combinations are achieved by lexical bleaching of the grammatical element and grammatical bleaching of the lexical element, as in the prepositional phrases in (11).

     (11) French   English

       en auto   by car

Derived terms

• bleaching powder