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third generation languagethird house
third law of motion
third law of thermodynamics
third normal form
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third stomach
-- third tonsil --
third trimester
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Third World
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third tonsil
| Noun | 1. |  third tonsil - a collection of lymphatic tissue in the throat behind the uvula (on the posterior wall and roof of the nasopharynx); "hypertrophy of the pharyngeal tonsils is called adenoids"; "enlarged adenoids may restrict the breathing of children" |