Said of certain grape varieties (Touriga Nacional, Tinta Roriz, Cabernet Sauvignon, Merlot, etc.) whose musts are used to improve an assemblage of simpler varieties.

 

Volatile components in brandy with the exception of water and ethyl alcohol.

 

Laboratory culture used for experimental purposes. It is used in vines to promote their vegetative multiplication, improve their sanitary conditions or provide better resistance to diseases. In vitro culture allows, for instance, to study the action of the vine's parasites on the plant. Genetic experiments allow to incorporate in rootstocks genes that are resistant to certain viruses and diseases. There's also an attempt to direct cellular multiplication towards certain variants (somaclones).

 

In France, Institut National des Appellations d'Origine.

 

Said of a high acidity wine.

 

Formation of a crust, deposit or sediment in some fortified wines, as in Port (crusted Port). Vintage Port isn't filtered in order to let these sediments form in the bottle, which is a sign of the wine's unique quality.

 

Drunkenness.

 

Viral disease of vines, also known as short internode.

 

Smell resembling that of ink used to write or in printers.

 

Said of a characterless wine with a neutral aroma.