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.
oÂ·ral. adj. 1. Spoken rather than written. 2. Of or relating to the mouth: oral surgery. 3. Used in or taken through the mouth: an oral thermometer; an oral vaccine. 4. Consisting of or using speech: oral instruction. 5. Linguistics Articulated through the mouth only, with the nasal passages closed.