M
- Maderization
- Oxydation of some types of wines.
- Magnum
- A bottle holding 1.5 litres, the equivalent of two regular wine bottles.
- Master of Wine
- A qualification (not an academic degree) conferred by The Institute of Masters of Wine, which is located in the United Kingdom.
- May wine
- A light German wine flavored with sweet woodruff in addition to strawberries or other fruit.
- Mead
- A wine-like alcoholic beverage made of fermented honey and water rather than grape juice.
- Meritage
- Originally created in California, these blended wines can be summed up as the "American Bordeaux". The term is a blend of the words "merit" and "heritage" and pronounced the same. The Red blend is made from at least 2 of the 5 Bordeaux grape varieties: Cabernet Sauvignon, Merlot, Cabernet Franc, Petit Verdot, and Malbec. The White Meritage is a blend at least 2 of Sauvignon Blanc, Sauvignon Vert, and Semillon.
- Methuselah
- A large bottle holding six litres, the equivalent of eight regular wine bottles.
- Mis en bouteille au château
- French for "bottled at the winery", usually in Bordeaux.
- Moelleux
- French term usually used for wines of mid-level sweetness or liquoreux.
- Monopole
- French term for an appellation, where all the vineyards in the appellation are under single ownership.
- Mousse
- The sparkling effervescence of a wine. In the glass it perceived as the bubbling but the surface of the glass can affect this perception. Premium quality sparkling wine has a mousse composed of small, persistent string of bubbles.
- Mulled wine
- Wine that is spiced, heated, and served as a punch.
Read more about this topic: Glossary Of Wine Terms