Webster's Collaborative New Word Dictionary - O

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This list contains either new words, newly or recently updated entries in the Oxford Dictionary
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oat milk (n): A milky liquid prepared from oats, used as a drink and in cooking.

okada (n.): in Nigeria: a motorcycle which passengers can use as a taxi service.

omakase (n): a series of small servings or courses (as of sushi) offered at a fixed price and whose selection is left to the chef's discretion

omakase (adv. or adj.): “according to the chef's choice”

onboarding (n.): business. The action or process of integrating a new employee into an organisation, team, etc. Frequently as a modifier, as in "onboarding process".

Oobleck: a mixture of corn starch and water that behaves like a liquid when at rest and like a solid when pressure is applied. Oobleck gets its name from the title of a story by Dr. Seuss, Bartholomew and the Oobleck, and is a favorite component in kids’ science experiments.

otaku: a person having an intense or obsessive interest especially in the fields of anime and manga —often used before another noun.