| octave |
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noun
- (music theory) An interval of eight tones on a diatonic scale, representing a doubling or halving in pitch.
- The melody jumps up an octave at the beginning, then later drops back down an octave.
- The singer was known for astounding clarity over her entire five-octave range.
- (music theory) The pitch an octave higher than a given pitch.
- The bass starts on a low E, and the tenor comes in on the octave.
- (fencing) The eighth defensive position, with the sword hand held at waist height, and the tip of the sword out straight at knee level.
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| oenology |
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noun
- The study of wines. The science or knowledge of wine making and appreciation.
- Even though I can't drink wine, I can still study and enjoy knowing about the great wines of the world.
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| oenophile |
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noun
- A person who has a fondness for wine. A person who has learned to appreciate wine.
- The had a large wine cellar stocked with bottles from around the world.
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| orange blossom |
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noun
- The white flower of the orange tree (i, Citrus sinensis).
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| ouzo |
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noun (countable and uncountable; plural ouzos)
- (uncountable) An anise-flavoured alcoholic drink, popular in Greece; (countable) a glass of ouzo.
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| oxidize |
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verb (oxidizes, oxidizing, oxidized)
- (chemistry, transitive) To combine with oxygen or otherwise make an oxide.
- (chemistry) To increase the valence (or the positive charge) of an element by removing electrons.
- To coat something with an oxide.
- (intransitive) To become oxidized.
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