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using speech rather than writing;
"an oral tradition"
"an oral agreement"
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of or relating to or affecting or for use in the mouth;
"oral hygiene"
"an oral thermometer"
"an oral vaccine"
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of or involving the mouth or mouth region or the surface on which the mouth is located;
"the oral cavity"
"the oral mucous membrane"
"the oral surface of a starfish"
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a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression