auction-n. a public sale at which things are sold to the people who offer to pay the most

grape – n. the fruit that is used to make wine

mature-adj. having reached a final or desired state

viticulture-n. the study of grape cultivation

orbit –n. the curved path that something (such as a moon or satellite) follows as it goes around something else (such as a planet)

evolved-n. to change or develop slowly often into a better, more complex, or more advanced state : to develop by a process of evolution

nuance-n. a very small difference in color, tone, meaning, etc.

tannin-n. a reddish acid that comes from plants, is used in making ink and leather, and occurs in various foods and drinks (such as wine)

corkscrew – n. a tool for opening wine bottles