| AVIANISE | • AVIANISE v. to make eg a virus less severe by repeated culture in a chicken embryo stock, also AVIANIZE. |
| AVIANIZE | • avianize v. (Medicine) To attenuate (something such as a virus, for example for use in a vaccine) by repeatedly… • avianize v. (Rare) To make avian; to make bird-like or into a bird. • AVIANIZE v. to modify by repeated culture in a chick embryo, also AVIANISE. |
| AVIARIES | • aviaries n. Plural of aviary. • AVIARY n. a large bird enclosure. |
| AVIARIST | • aviarist n. A person who keeps an aviary. • AVIARIST n. a keeper of an aviary. |
| AVIATING | • aviating v. Present participle of aviate. • AVIATE v. to fly an aircraft. |
| AVIATION | • aviation n. The art or science of making and flying aircraft. • aviation n. Flying, operating, or operation of aircraft. • aviation n. Industry that produces aircraft. |
| AVIATORS | • aviators n. Plural of aviator. • aviators n. Aviator sunglasses. • AVIATOR n. a pilot who flies aircraft. |
| AVIATRIX | • aviatrix n. (Dated) A female aviator. • AVIATRIX n. a female aviator. |
| AVICULAR | • avicular adj. Of or pertaining to a bird or to birds. • AVICULAR adj. pertaining to birds. |
| AVIDNESS | • avidness n. The characteristic of being avid. • AVIDNESS n. avidity. |
| AVIETTES | • aviettes n. Plural of aviette. • AVIETTE n. (historical) an aeroplane driven by manpower, a kind of glider. |
| AVIFAUNA | • avifauna n. The birds, or all the kinds of birds, inhabiting a region. • AVIFAUNA n. (Latin) the bird life of a particular region. |
| AVIGATOR | • avigator n. An aerial navigator. • AVIGATOR n. one who navigates aircraft. |
| AVIONICS | • avionics n. (Aviation) The science and technology of the development and use of electrical and electronic devices in aviation. • avionics n. (Aviation) The devices used in avionics. • AVIONICS n. the science of aviation electronics. |