The water activity of chewing gum ranges from 0.40-0.65. The moisture content of chewing gum ranges from 3-6%. In fact, chewing gum retains its quality for so long that, in most countries, it is not required by law to be labeled with an expiration date.
Meaning: (language) communication by word of mouth. Classified under: Nouns denoting communicative processes and contents. Synonyms: oral communication; speech communication; spoken communication; spoken language; voice communication; language; speech.
oral. adj. 1. spoken or verbal: an oral agreement. 2. (Medicine) relating to, affecting, or for use in the mouth: an oral thermometer. 3. (Zoology) of or relating to the surface of an animal, such as a jellyfish, on which the mouth is situated.