Definition of terpenoid in English:

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terpenoid

Pronunciation: /ˈtərpəˌnoid/
Chemistry

noun

Any of a large class of organic compounds including terpenes, diterpenes, and sesquiterpenes. They have unsaturated molecules composed of linked isoprene units, generally having the formula (C5H8)n.
Example sentences
  • Many species endemic in Australia are known to synthesize and accumulate significant quantities of volatile terpenoids.
  • The nectar is sucrose-dominant but also contains low concentrations of glucose, fructose, free amino acids and possibly terpenoids.
  • Agents used in household cleaning compositions are composed of structurally diverse classes of chemicals, including surface active agents, phenols, and terpenoids.

adjective

Denoting terpenoid compounds.
Example sentences
  • In other plant-herbivore systems, the physical properties of the resins are determined by their terpenoid composition.
  • Tobacco was used as the host plant because it is an appropriate host for genetic engineering and its endogenous terpenoid metabolism has been well studied.
  • The genus is notable for its terpenoid secretions and exudates that arise from a system of arborescent resin canals.

For editors and proofreaders

Syllabification: ter·pe·noid

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