excretum

名词 n.

英文释义

名词 n.
  1. singular of excreta form-of,singular
    — Tannin is contained in many plants and parts of plants; it often occurs in the cells of growing parts, and is then apparently useful in the metabolism. It very often occurs as an excretum in the bark and elsewhere, and it is such parts that are chiefly used as sources of it for commercial purposes.

词形变化

excreta plural

词源

From Latin excrētum, neuter singular of excrētus.
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