eruption

(e-rŭp′shŏn)

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[L. eruptio, outbreak]

1. A visible breaking out, esp. of a skin lesion or rash accompanying a disease such as measles or scarlet fever.
2. The appearance of a lesion such as redness or spotting on the skin or mucous membrane.
3. The breaking of a tooth through the gum; the cutting of a tooth.
eruptive (-tiv), adj.

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