15-letter words containing v, i, b, r, a
- saviour sibling — a child conceived through IVF and screened for compatibility with a terminally or seriously ill sibling in order to provide organ or cell donations as a form of treatment
- sibling rivalry — the feeling of competitiveness that often exists between brothers and sisters
- slavonian grebe — a N Eurasian or N American grebe with reddish underside and a black and gold crest; Podiceps auritus
- string variable — data on which arithmetical operations will not be performed
- transitive verb — a verb accompanied by a direct object and from which a passive can be formed, as deny, rectify, elect.
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- unverifiability — the quality or state of being unverifiable
- variable region — a configuration in the upper branches of the Y of an antibody molecule, unique in each antibody type, that binds with the determinant of a specific antigen.
- vegetable ivory — ivory (def 9).
- voltaic battery — battery (def 1a).
- vulnerabilities — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.